Stephen Colbert devoted one of his final episodes on CBS to an interview with Barack Obama, touring his soon-to-open Presidential Center in Chicago.

In an interview on "The Late Show with Stephen Colbert," former President Barack Obama had some pointed words about the power of the executive branch.

In the wake ofStephen Colbert‘s looming departure from his fan-favorite late-night talk show, the veteran comedian has come out to announce a star guest for what would be his last stretch of ...