Both Jon Stewart and Stephen Colbert reveled in the recent arrest of ACORN-buster James O’Keefe on their shows last night, although Colbert maintained that O’Keefe is merely going deeper undercover. Mel Gibson stopped by Jimmy Kimmel Live with the trailer for his new biopic about the manic life of Jimmy Kimmel and Craig Ferguson learned a little too much about Southern barbeque. Watch our compilation to see what you missed.