The Daily Show host spends 15 minutes ridiculing Glenn Beck by imitating him

Salon's guide to what to watch on Monday: Mark the holiday by watching the PBS doc "The Magnificent Voyage of Christopher Columbus."

Salon's guide to what to watch on Thursday: The fashionable miscreants of "Ugly Betty" return.

Salon's guide to what to watch on Thursday: The third season of the thoroughly un-p.c. "It's Always Sunny in Philadelphia" kicks off.

Does Ron or Rand have a better shot at the presidency?

The history of fascism teaches us about the ongoing rise of right-wing populism. But we must draw the right lessons

Thursday: Season finales galore: "Grey's Anatomy," "The Office" and more. Plus: What did you think of "American Idol" on Wednesday?

Salon's guide to what to watch on Thursday: Dance off! "So You Think You Can Dance" crowns a winner; the Mark Morris Dance Group takes the stage.

Monday: "American Experience" chronicles the life of Walt Whitman. Plus: What did you think of the "Miss USA" pageant on Friday?

Monday: HBO's mesmerizing therapy drama "In Treatment" is worth a look. Plus: What did you think of "Oprah's Big Give" on Sunday?

Tuesday: Watch the saffron flags fly in Antonio Ferrera and Albert Maysles' film about Christo and Jeanne-Claude's "The Gates." Plus: What did you think of "A Raisin in the Sun" on Monday?

Thursday: "Lost," twisted tale or elaborate hoax? Plus: What did you think of "Project Runway" on Wednesday?