The Tucson Shooting's Most Important Questions

Since the shooting in Tucson on Saturday, lots of important questions have been raised -- questions that go to issues than transcend even the monumentally horrific shooting itself. In the interest of summation, here are the best questions I've seen on Twitter, Facebook, in the blogosphere, on radio and elsewhere.

- If after a calculated political assassination attempt we cannot talk about the downsides of a right-wing media that effectively endorses political violence, when can we talk about t...