Punchlines: Leno, Letterman, Ferguson, Conan
The papal conclave begins meeting today, and everyone is wondering how long it will take before a new pope is named. Here's what to look for: White smoke from the Vatican chimney means the cardinals have made a decision and black smoke means they are still looking. But what does blue smoke mean? Take a look at today's Punchlines to find out.
Here are our favorite jokes from last night's late-night roundup. After you watch them, tell us who delivered your favorite punchline with a vote to the right. If you're watching this on your tablet or smartphone, visit opinion.usatoday.com to cast your ballot.

Punchlines: When will a new pope pop up?
The conclave begins today at the Vatican and everyone is wondering who the new pope will be. Watch what the late-night guys had to say about it, then vote for your favorite joke at opinion.usatoday.com.