When a right-wing Christian vigilante kills, millions of fingers pull the trigger. When a left-wing Muslim vigilante kills, he kills alone. These are the instantly ossifying narratives in the Sunday shooting death of late-term abortion provider George Tiller of Kansas versus the Monday shootings of two Arkansas military recruiters. Tiller's suspected murderer, Scott Roeder, is white, Christian, anti-government and anti-abortion. The gunman in the military recruitment center attack, Abdulhakim Mujahid Muhammad, is black, a Muslim convert, anti-military and anti-American. Both crimes are despicable, cowardly acts of domestic terrorism. But the disparate treatment of the two brutal cases by both the...