MSNBC commentator Keith Olbermann is looking for dirt on Fox News' Glenn Beck. "Find everything you can about Glenn Beck, Stu Burguiere, and Roger Ailes," Olbermann posted on The Daily Kos. (Burguiere produces Beck's radio show; Ailes is the head of Fox News.) Read about the top 5 talk-show controversies of 2009 Olbermann's request for fact-finding was a somewhat cheeky reply to Beck's own similarly phrased, ALL-IN-CAPS request, on his Twitter feed, for his followers to dig up some dirt on Cass Sunstein, Mark Lloyd and Carol Browner, President Barack Obama's nominees to fill the positions of the head of...