Well, it didn't take long for the U.S Senate race to go negative.
Here's Heather Wilson's new one, attacking Martin Heinrich for his vote for a medical device tax, after warning Democratic House leaders that it might be bad for a medical device company in Albuquerque.
Heinrich, however, said at the time he wrote that letter in 2010, the tax being proposed was twice as high as what he voted for.
My full analysis is HERE.