Comedian Jon Steward pauses while speaking during the "Rally To Restore Sanity and/or Fear" on the National Mall October 30, 2010 in Washington, DC. Tens of thousands of people streamed into the US capital Saturday for the rally hosted by liberal comics Jon Stewart and Stephen Colbert, billed as an antidote to the ugly political mood dividing the US three days before mid-term elections. AFP PHOTO/Brendan SMIALOWSKI

Supporters hold signs as thousands gather for the "Rally to Restore Sanity" and "Keep Fear Alive" rallies hosted by comedians and television hosts Jon Stewart and Stephen Colbert, on the National Mall in Washington, DC, on October 30, 2010. AFP PHOTO / Saul LOEB

WASHINGTON - OCTOBER 30: People gather for the Rally To Restore Sanity And/Or Fear on the National Mall on October 30, 2010 in Washington, DC. Comedians Jon Stewart and Steven Colbert are scheduled to hold the rally, which tens of thousands of people are expected to attend. Win McNamee/Getty Images/AFP

Comedian Stephen Colbert (L) addresses the crowd in front of fellow rally host Jon Stewart during their "Rally to Restore Sanity and/or Fear" on the National Mall in Washington, October 30, 2010. The rally is a counterpoint to recent partisan political rallies on both ends of the U.S. political spectrum held in anticipation of the November 2nd Congressional midterm elections. REUTERS/Jim Bourg (UNITED STATES - Tags: POLITICS ENTERTAINMENT SOCIETY IMAGES OF THE DAY)

Comedians Jon Stewart (R) and Stephen Colbert sing during the "Rally to Restore Sanity and/or Fear" on the Washington Mall, October 30, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: ENTERTAINMENT POLITICS CIVIL UNREST IMAGES OF THE DAY)

A man gestures his middle finger toward a Fox News satellite truck before the "Rally To Restore Sanity and/or Fear" on the national Mall October 30, 2010 in Washington, DC. The rally billed as an antidote to the ugly political mood polarizing the US in the run-up to midterm elections is hosted by liberal comics Jon Stewart and Stephen Colbert. AFP PHOTO/Brendan SMIALOWSKI

WASHINGTON - OCTOBER 30: Atendee hoists home made signs during the Comedy Central 'Rally to Restore Sanity And/Or Fear' on the National Mall October 30, 2010 in Washington, DC. Comedians Jon Stewart and Steven Colbert are scheduled to hold the rally, where tens of thousands of people are expected to attend. Chip Somodevilla/Getty Images/AFP

A man holds a sign as thousands gather for comedians Jon Stewart and Stephen Colbert's Rally to Restore Sanity and/or Fear on the National Mall in Washington October 30, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENTERTAINMENT CIVIL UNREST SOCIETY. (Foto: JONATHAN ERNST/SCANPIX DANMARK 2010)

A woman holds a sign as thousands gather for the Rally to Restore Sanity and/or Fear on the National Mall in Washington October 30, 2010. Television comedians Jon Stewart and Stephen Colbert drew tens of thousands of people to the National Mall on Saturday, promising to skewer partisan politics three days before contentious U.S. elections. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENTERTAINMENT SOCIETY CIVIL UNREST. (Foto: JONATHAN ERNST/SCANPIX DANMARK 2010)

A young woman (R) holds a placard mocking conservative talk show host Glenn Beck as people gather on the Mall to attend the Rally to Restore Sanity and/or Fear on the National Mall October 30, 2010 in Washington, DC. Thousands of people stream into Washington's National Mall for the rally billed as an antidote to the ugly political mood polarizing the US in the run-up to midterm elections on November 2, hosted by liberal comics Jon Stewart and Stephen Colbert. AFP PHOTO/Mandel NGAN

People in tea costumes pose for a photo infront of the Capitol as they walk to the Mall to attend the Rally to Restore Sanity and/or Fear on the National Mall October 30, 2010 in Washington, DC. Thousands of people stream into Washington's National Mall for the rally billed as an antidote to the ugly political mood polarizing the US in the run-up to midterm elections on November 2, hosted by liberal comics Jon Stewart and Stephen Colbert. AFP PHOTO/Mandel NGAN

A man offers tea as people gather on the Mall to attend the Rally to Restore Sanity and/or Fear on the National Mall October 30, 2010 in Washington, DC. Thousands of people stream into Washington's National Mall for the rally billed as an antidote to the ugly political mood polarizing the US in the run-up to midterm elections on November 2, hosted by liberal comics Jon Stewart and Stephen Colbert. AFP PHOTO/Mandel NGAN

People gather on the National Mall in Washington, DC, on October 30, 2010 for television satirists Jon Stewart's and Stephen Colbert's Rally to Restore Sanity and/or Fear. Tens of thousands of people streamed into the US capital Saturday for the rally hosted by liberal comics Stewart and Colbert, billed as an antidote to the ugly political mood dividing the US three days before mid-term elections. AFP PHOTO/Nicholas KAMM

Comedian Stephen Colbert (L) addresses the crowd with Jon Stewart (R) during their Rally to Restore Sanity and/or Fear on the National Mall in Washington, October 30, 2010. The rally is a counterpoint to recent partisan political rallies on both ends of the U.S. political spectrum held in anticipation of the November 2nd Congressional midterm elections. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS ENTERTAINMENT SOCIETY CIVIL UNREST. (Foto: JIM BOURG/SCANPIX DANMARK 2010)

WASHINGTON - OCTOBER 30: People gather for the Rally To Restore Sanity And/Or Fear on the National Mall on October 30, 2010 in Washington, DC. Comedians Jon Stewart and Steven Colbert are scheduled to hold the rally, which tens of thousands of people are expected to attend. Win McNamee/Getty Images/AF. (Foto: WIN MCNAMEE/SCANPIX DANMARK 2010)

People gather on the National Mall in Washington, DC, on October 30, 2010 for television satirists Jon Stewart's and Stephen Colbert's Rally to Restore Sanity and/or Fear. Tens of thousands of people streamed into the US capital Saturday for the rally hosted by liberal comics Stewart and Colbert, billed as an antidote to the ugly political mood dividing the US three days before mid-term elections. AFP PHOTO/Nicholas KAMM

Supporters hold signs as thousands gather for the "Rally to Restore Sanity" and "Keep Fear Alive" hosted by comedians and television hosts Jon Stewart and Stephen Colbert, on the National Mall in Washington, DC, on October 30, 2010. AFP PHOTO / Saul LOEB

Comedian Jon Steward pauses while speaking during the "Rally To Restore Sanity and/or Fear" on the National Mall October 30, 2010 in Washington, DC. Tens of thousands of people streamed into the US capital Saturday for the rally hosted by liberal comics Jon Stewart and Stephen Colbert, billed as an antidote to the ugly political mood dividing the US three days before mid-term elections. AFP PHOTO/Brendan SMIALOWSKI

People gather on the National Mall in Washington, DC, on October 30, 2010 for television satirists Jon Stewart's and Stephen Colbert's Rally to Restore Sanity and/or Fear. Tens of thousands of people streamed into the US capital Saturday for the rally hosted by liberal comics Stewart and Colbert, billed as an antidote to the ugly political mood dividing the US three days before mid-term elections. AFP PHOTO/Nicholas KAMM

People gather on the National Mall in Washington, DC, on October 30, 2010 for television satirists Jon Stewart's and Stephen Colbert's Rally to Restore Sanity and/or Fear. Tens of thousands of people streamed into the US capital Saturday for the rally hosted by liberal comics Stewart and Colbert, billed as an antidote to the ugly political mood dividing the US three days before mid-term elections. AFP PHOTO/Nicholas KAMM

People gather on the National Mall in Washington, DC, on October 30, 2010 for television satirists Jon Stewart's and Stephen Colbert's Rally to Restore Sanity and/or Fear. Tens of thousands of people streamed into the US capital Saturday for the rally hosted by liberal comics Stewart and Colbert, billed as an antidote to the ugly political mood dividing the US three days before mid-term elections. AFP PHOTO/Nicholas KAMM

WASHINGTON - OCTOBER 30: Comedian Jon Stewart hosts the Comedy Central 'Rally to Restore Sanity And/Or Fear' on the National Mall October 30, 2010 in Washington, DC. Tens of thousands of people filled the east end of the mall to see comedians, musicians, sports stars and others perform during the televised event. Chip Somodevilla/Getty Images/AFP

Comedy Central comedians and television hosts Jon Stewart (L) and Stephen Colbert (R) speak as thousands gather for the "Rally to Restore Sanity And/Or Fear" on the National Mall in Washington, DC, October 30, 2010. AFP PHOTO / Saul LOEB

Kid Rock (L) and Sheryl Crow perform during the "Rally to Restore Sanity and/or Fear" on the Washington Mall, October 30, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: SOCIETY ENTERTAINMENT POLITICS)

Basketball star Kareem Abdul-Jabbar (L) joins singers during the final song at the "Rally to Restore Sanity and/or Fear" on the Washington Mall, October 30, 2010. On stage are (L-R) Sheryl Crow, Mavis Staples, Yusuf Islam and John Legend. REUTERS/Jason Reed (UNITED STATES - Tags: ENTERTAINMENT POLITICS CIVIL UNREST)

WASHINGTON - OCTOBER 30: Comedian Jon Stewart hosts the Comedy Central 'Rally to Restore Sanity And/Or Fear' on the National Mall October 30, 2010 in Washington, DC. Tens of thousands of people filled the east end of the mall to see comedians, musicians, sports stars and others perform during the televised event. Chip Somodevilla/Getty Images/AFP

People gather on the National Mall in Washington, DC, on October 30, 2010 for television satirists Jon Stewart's and Stephen Colbert's Rally to Restore Sanity and/or Fear. Tens of thousands of people streamed into the US capital Saturday for the rally hosted by liberal comics Stewart and Colbert, billed as an antidote to the ugly political mood dividing the US three days before mid-term elections. AFP PHOTO/Nicholas KAMM

WASHINGTON - OCTOBER 30: Comedian Stephen Colbert and musicians Sheryl Crow and Yusuf Islam (formerly Cat Stephens) perform during the Comedy Central 'Rally to Restore Sanity And/Or Fear' on the National Mall October 30, 2010 in Washington, DC. Tens of thousands of people filled the east end of the mall to see comedians, musicians, sports stars and others perform during the televised event. Chip Somodevilla/Getty Images/AFP

WASHINGTON - OCTOBER 30: Comedian Stephen Colbert gives a cheers in front of a giant paper mache puppet of himself during the Comedy Central 'Rally to Restore Sanity And/Or Fear' on the National Mall October 30, 2010 in Washington, DC. Tens of thousands of people filled the east end of the mall to see comedians, musicians, sports stars and others perform during the televised event. Chip Somodevilla/Getty Images/AFP

Comedy Central comedians and television hosts Jon Stewart (R) and Stephen Colbert (L) sing as thousands gather for the "Rally to Restore Sanity And/Or Fear" on the National Mall in Washington, DC, October 30, 2010. AFP PHOTO / Saul LOEB

WASHINGTON - OCTOBER 30: Singers Mavis Staples (R) and Jeff Tweedy perform during the Comedy Central 'Rally to Restore Sanity And/Or Fear' on the National Mall October 30, 2010 in Washington, DC. Tens of thousands of people filled the east end of the mall to see comedians, musicians, sports stars and others perform during the televised event. Chip Somodevilla/Getty Images/AFP

WASHINGTON - OCTOBER 30: Comedian Stephen Colbert (L) performs with a giant papier-mache puppet of himself at the Rally To Restore Sanity And/Or Fear on the National Mall on October 30, 2010 in Washington, DC. Jon Stewart and Colbert held the rally, which tens of thousands of people attended. Win McNamee/Getty Images/AFP

Wilco lead singer Jeff Tweedy sings during the "Rally To Restore Sanity and/or Fear" on the national Mall October 30, 2010 in Washington, DC. Tens of thousands of people streamed into the US capital Saturday for the rally hosted by liberal comics Jon Stewart and Stephen Colbert, billed as an antidote to the ugly political mood dividing the US three days before mid-term elections. AFP PHOTO/Brendan SMIALOWSKI

A man holds a roll of "Vote Sanity" stickers as thousands gather for comedians Jon Stewart and Stephen Colbert at the "Rally to Restore Sanity and/or Fear" on the National Mall in Washington, October 30, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENTERTAINMENT CIVIL UNREST)

Mark (R) and Cathy Cullen (L) from Florida position themselves behind the banner during Rally to Restore Sanity at the National Mall between Washington Monument and the US Capital Building on October 30, 2010 in Washington DC. AFP PHOTO / Kimihiro Hoshino

A man holds a sign supporting U.S. President Barack Obama as thousands gather for comedians Jon Stewart and Stephen Colbert at the "Rally to Restore Sanity and/or Fear" on the National Mall in Washington, October 30, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENTERTAINMENT CIVIL UNREST)

Comedian Stephen Colbert gestures during the "Rally to Restore Sanity and/or Fear" on the National Mall in Washington, October 30, 2010. The rally is a counterpoint to recent partisan political rallies on both ends of the U.S. political spectrum held in anticipation of the November 2nd Congressional midterm elections. REUTERS/Jim Bourg (UNITED STATES - Tags: POLITICS ENTERTAINMENT CIVIL UNREST)

A man lies down atop a portable toilet for a better view as thousands gather for comedians Jon Stewart and Stephen Colbert at the "Rally to Restore Sanity and/or Fear" on the National Mall in Washington, October 30, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SOCIETY POLITICS ENTERTAINMENT)

A woman dressed as an alien from Star Trek holds a placard as people gather to attend the Rally to Restore Sanity and/or Fear October 30, 2010 fill the the National Mall in Washington, DC. AFP PHOTO/Mandel NGAN

Singer John Legend performs during the Rally to Restore Sanity and/or Fear on the Washington Mall, October 30, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: SOCIETY POLITICS ENTERTAINMENT)

Comedian host Stephen Colbert interrupts singer Yusuf Islam during the Rally to Restore Sanity and/or Fear on the Washington Mall, October 30, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: SOCIETY POLITICS ENTERTAINMENT)

Trudy Vermehren (R) and Kathy Selleck (L) make some noise as Rally to Restore Sanity begins near the US Capital Building on October 30, 2010 in Washington DC. AFP PHOTO / Kimihiro Hoshino

Comedian host Stephen Colbert high-fives a giant puppet depicting himself during the Rally to Restore Sanity and/or Fear on the Washington Mall, October 30, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: SOCIETY POLITICS ENTERTAINMENT)

A super hero costume man Erich Origen, who is the author of a book the Adventures of Unemployed Man, takes a pose in front of the US Capital Building, during Rally to Restore Sanity on October 30, 2010 in Washington DC. AFP PHOTO / Kimihiro Hoshino

Donn Barnes from Texas holds a banner during Rally to Restore Sanity at the National Mall near the US Capital Building on October 30, 2010 in Washington DC. AFP PHOTO / Kimihiro Hoshino

A sign is pictured amidst tens of thousands that gathered on the National Mall for the "Rally to Restore Sanity and/or Fear" led by comedians Jon Stewart and Stephen Colbert in Washington October 30, 2010. Two of America's best-known television comedians drew tens of thousands of people to a rally on Saturday that was part variety show, part Halloween celebration and part political rally to call for common sense before Tuesday's congressional elections. REUTERS/Evan Falk (UNITED STATES - Tags: POLITICS ENTERTAINMENT SOCIETY)

Singer Tony Bennett gestures after performing during comedians and television hosts Jon Stewart and Stephen Colbert's "Rally to Restore Sanity And/Or Fear" on the National Mall in Washington, DC, October 30, 2010. AFP PHOTO / Saul LOEB

"Abraxas," a 60 foot long, 30 foot high dragon built atop a bus and created for the Burning Man Festival in Nevada, is seen at sunset after the "Rally to Restore Sanity and/or Fear" in Washington, October 30, 2010. The dragon was driven to Washington from Chicago and reconstructed in Washington for the rally. REUTERS/Jim Bourg (UNITED STATES - Tags: POLITICS SOCIETY)

Singers Ozzy Osbourne (L) and Yusuf Islam, formerly known as Cat Stevens, wave after performing during comedians and television hosts Jon Stewart and Stephen Colbert's "Rally to Restore Sanity And/Or Fear" on the National Mall in Washington, DC, October 30, 2010. AFP PHOTO / Saul LOEB

People attend television satirists Jon Stewart and Stephen Colbert's Rally to Restore Sanity and/or Fear on the National Mall in Washington on October 30, 2010. AFP PHOTO/Nicholas KAMM

People attend television satirists Jon Stewart and Stephen Colbert's Rally to Restore Sanity and/or Fear on the National Mall in Washington on October 30, 2010. AFP PHOTO/Nicholas KAMM