Michelle Obama to Appear on David Letterman...

via The Oval: Michelle Obama is doing the David Letterman talk show, CBS announced today. The first lady's topic: her Joining Forces initiative to help military families. Joining Forces is about to celebrate its one-year anniversary. It is Obama's first appearance with the veteran host Letterman. 
 Michelle Obama has made previous tours of the late night talk show circuit, appearing with Jay Leno and Jimmy Fallon, both of whom work for NBC. President Obama, has also done Leno and Letterman.
First Lady will appear on David Letterman on March 19.