Mocking The Truth

From left, Lewis Lapham of Harper's, actor Bob Balaban and Ed Helms of "The Daily Show" take part in the "Mocking the Truth" panel discussion at the Tribeca Performing Arts Center in New York on April 29, 2006.

Actors Michael McKean and his wife, actress Annette O'Toole, talk backstage before the start of the "Mocking the Truth" panel discussion at the Tribeca Performing Arts Center in New York on April 29, 2006.

"The Daily Show" star Ed Helms and actor Jeff Goldblum talk backstage before taking part in the "Mocking the Truth" panel discussion at the Tribeca Performing Arts Center in New York on April 29, 2006.

Actor Jeff Goldblum speaks during the "Mocking the Truth" panel discussion at the Tribeca Performing Arts Center in New York on April 29, 2006.

Actor Jeff Goldblum shades his eyes as he looks for the director of his new movie, "Pittsburgh," during the "Mocking the Truth" panel discussion at the Tribeca Performing Arts Center in New York on April 29, 2006.

Actors Bob Balaban and Michael McKean talk backstage before taking part in the "Mocking the Truth" panel discussion at the Tribeca Performing Arts Center in New York on April 29, 2006. Balaban and McKean have appeared together in several films by Christopher Guest, including "A Mighty Wind" and "Best In Show."

Actor Bob Balaban, left, and Ed Helms of "The Daily Show" take part in the "Mocking the Truth" panel discussion at the Tribeca Performing Arts Center in New York on April 29, 2006.

Ed Helms of "The Daily Show" takes part in the "Mocking the Truth" panel discussion at the Tribeca Performing Arts Center in New York on April 29, 2006.

Actor Michael McKean takes part in the "Mocking the Truth" panel discussion at the Tribeca Performing Arts Center in New York April 29, 2006.

Actors Michael McKean and Jeff Goldblum take part in the "Mocking the Truth" panel discussion at the Tribeca Performing Arts Center in New York on April 29, 2006.

CBS News 24/7