Yesterday's races a mixed bag for establishment candidates
                                
                                
                                    (Newser) -
                                    Longtime Michigan Rep. Carolyn Cheeks Kilpatrick fell to a challenger in yesterday's Democratic primary, making her the fourth House incumbent trounced in a primary this year. In other closely watched incumbent races, Missouri GOP Rep. Roy Blunt skated to victory and GOP Sen. Jerry Moran narrowly squeaked by in Kansas....