TROUBLEhttp://youtu.be/bEbSkybMuqsIs this the best use of a pop song in a film? . . .Trouble!http://www.salon.com/2012/02/27/mitt_is_choking_in_michigan/[Steve Kornacki] The familiar Romney campaign formula — wait for conservative rival to emerge, beat back conservative rival with attack ads and strong debate performance, prevail in do-or-die primary test, wait for next conservative rival to