Rep. Gabrielle Giffords, last March, appearing on MSNBC to discuss vandalism at her Tucson district office after the health care vote and Sarah Palin's use of the crosshairs of a gun sight to target her:
Excerpt:
Sarah Palin has the crosshairs of a gun sight over our district and when people do that, they’ve gotta realize there are consequences to that action.
Here's Sarah Palin's target list:

As you can see, Giffords was one of of just two members to win re-election from that list. (Rep. Nick Rahall was the other.)