At an election party last night, Pennsylvania’s Allegheny County GOP Chair, Jim Roddey, brought the crowd to laughter and applause by calling an Obama supporter “mentally retarded.” Roddey, who is a long-time supporter of Mitt Romney, told the joke to a crowd of about 200: “I was very embarrassed. I was in this parking lot and there was a man looking for a space to park, and I found a space for him. And I felt badly — he looked like he was sort of in distress. And I said, ‘Sir, here’s a place.’