Today Tucson congresswoman Gabrielle Giffords (D-Ariz.) cast her first vote since she was critically injured in a January shooting. You'll recall that in the weeks that followed, the media bemoaned the incivility -- supposedly predominantly conservative in nature -- of the political debate which had allegedly created a climate of hate. But there appears to to be no firestorm over how, just last week, Arizona Daily Star cartoonist David Fitzsimmons fantasized about President Obama sending a SEAL team to assassinate Tea Party-friendly House Republicans.