CeaseFire’s Ameena Matthews explores how her tough inner-city upbringing informs her work as a peacemaker among Chicago’s gangs.

Stephen relentlessly chases Jon Stewart through New York City to get his super PAC back.

Bjork shows off her “Biophilia” album iPad app and explains what inspired her interactive multimedia collection.

Newtketeer Randy “Duke” Cunningham and his inmate peers support Newt Gingrich, and Sarah Palin gives the best reason for backing Newt Gingrich: pure spite.

Newt Gingrich gains a powerful supporter, America gets a new look at its founding fathers, and Bjork performs a song.

The Tennessee Tea Party demands that references to the Founding Fathers’ slave ownership and violence against Native Americans be removed from children’s textbooks.

Bjork performs “Cosmogony,” from her album “Biophilia.”

Stephen shouts goodnight.

Stephen forcibly regains control of the Colbert Super PAC, Barack Obama woos voters with his sultry voice, and Laurence Tribe recalls Barack Obama’s swearing-in ceremony.

Stephen chases Jon Stewart through the streets of New York City and onto the set of “The View” to get the Colbert Super PAC back.