Why Mitt Romney still poses the greatest challenge to Obama in 2012 One of my regrets in life is losing the chance to debate Mitt Romney and whip his ass. It was the fall of 2002. Mitt Romney had thundered into Massachusetts with enough money to grab the Republican nomination for governor. Meanwhile, I was doing my best to secure the Democratic nomination. One week before the Democratic primary, I was tied in the polls with the state treasurer, well ahead of four other candidates. But my campaign ran out of cash. Despite pleas from my campaign manager, I didn't...