You remember those McCain-Palin rallies where the GOP saw their crazed crowds as something of a boost to the failing campaign? And then people began yelling "terrorist" and "kill him" and the like, and it became a liability? As Ben Smith notes, this is becoming a mighty likely result of the astroturf campaign that's targeting House members. The protest isn't organic, but the people it attracts are super-fringers likely to say crazy stuff. And the minority leader John Boehner took a break from his tanning bed to cheer them on.