Radio's Don Imus on Friday attacked a litany of present and former CBS personalities including Katie Couric, David Letterman, and Dan Rather. In an interview with Fox News's Neil Cavuto, Imus called CBS "Evening News" anchor Couric "a little rodent," the "Late Show's" Letterman an "angry, mean-spirited jerk," and former "Evening News" anchor Rather "crazy." The outspoken shock jock also said the thought of former Alaska Gov. Sarah Palin becoming the Republican nominee for president is "horrifying" because "she's a dope." Imus also had some very interesting things to say about his own controversy with CBS surrounding the Rutgers women's...