What’s funny about a presidential campaign? Charles Osgood, anchor of CBS Sunday Morning, will join us this evening to discuss his new collection of tales “A Funny Thing Happened on the Way to the White House: Humor, Blunders, and Other Oddities from the Presidential Campaign Trail” (Hyperion, 2008). Harry Lynch, director of “Recapturing Cuba,” which airs Wednesday, May 28th on KERA 13, will join us for the Scene segment.