As anyone who has worked on a presidential campaign knows, there is always an undercurrent of trepidation that the candidate or a trusted advisor will say or do something that connects in a very negative way with the vast majority of voters. As we witnessed, Hilary Rosen, a Democratic strategist, recently created one of those self-inflicted and lasting wounds when she said on CNN that Ann Romney had "actually never worked a day in her life."Whoops. The Obama White House and campaign came down on Rosen's head like a ton of bricks. From President Obama to his top advisors, all...