We’ll get the latest on the potential dangers posed to your health by cell phone radiation. Our election series The Big Picture continues with a look at the impact stimulus spending is having on the 2010 midterms. And Barbara Kingsolver discusses her latest novel, The Lacuna. Then, Gail Collins of the New York Times talks about some of the ridiculous things politicians have said lately. Plus, a woman tells us why she gave up suburban life in Illinois to live in a poor Maasai community in rural Kenya.