Michigan held its primaries yesterday, and one Congressional seat in particular turned into a nailbiter for the Republicans. Bart Stupak (D) retired after managing to anger everyone in his district by flip-flopping on ObamaCare and abortion, and the GOP hoped to turn this R+3 district into a pickup. Unfortunately for the GOP, the race turned into a dead heat, for practical purposes (h/t HipEChik on Twitter): Crystal Falls physician Dan Benishek held a paper-thin lead early today over state Sen. Jason Allen in the Republican nomination to succeed retiring U.S. Rep. Bart Stupak in Michigan’s 1st Congressional District.With 99 percent...