Happy April Fool's Day. Okay, this entry is no joke. Not until the end. Here's what's happening today. Seriously.

It's Political Junkie time, and this week Ken Rudin will talk about the G-20 economic summit that's about to get underway in London, dropped federal charges against Alaska senator Ted Stevens, and tax troubles for Obama nominee Kathleen Sebelius. All that, and the trivia question AND a t-shirt for the winner of the no/know prize. Then, we'll talk with long time White House and Washington correspondent Sam Donaldson about his decision to step back from full time work after forty-two years with ABC News.

Health reports say eating red meat increases your risk of cancer, but a little bit of dark chocolate a day is good for you. And ad campaigns are praising high fructose corn syrup, claiming it to be just as healthy as sugar. With all the conflicting information about what to eat, how do you decide what's good for you? In our second hour, we'll talk with two health reporters about whether its better to keep up with all the health studies, or ignore them completely. Then, it's time for a little fun. On this April Fool's Day, comedian Matt Kazam and listeners like YOU take center stage and give us your best joke. Just one joke... but make it a good one, and short. Give us your best, and we'll rate it with a chuckle, or a guffaw.

Tags: Talk of the Nation, NPR