Here is what Sarah Palin said on the Facebook page where she depicted Gabrielle Giffords in the cross hairs of a rifle scope: "Don't retreat! Instead - RELOAD!" Well, the guy who shot Giffords yesterday managed to keep firing until he killed six, including a child, and wounded 13 . Palin would no doubt say that she was only speaking in metaphor, that she only meant her followers should work to unseat Giffords and 19 other Democrats who had roused her ire by voting for health care. But anyone with any sense at all knows that violent language can incite...