President Bush and the White House have suddenly found themselves getting "peppered" with a fusillade of friendly fire on a wide range of issues, including NSA wiretaps, Iraq, Katrina, Plamegate leaks, the budget, the Abramoff scandal, and immigration.

Let's CSI the internecine firefights:

Warrantless Wiretapping. First came Arlen Specter's reaction to Alberto Gonzales' "very strained and unrealistic" defense of the program. Then Rep. Heather Wilson turned...