Who says laughter can't bring people together? Late-night talk show host and funnyman David Letterman will appear on an upcoming episode of "The Oprah Winfrey Show," according to the Associated Press.

CHICAGO (AP) -- Oprah Winfrey doesn't have a Top Ten list of reasons why she hasn't appeared on David Letterman's show recently. She just has two -- her two previous appearances. ``I've done the show ...