As Bernard Kerik says, "Political criticism is our enemies' best friend." And we all know that what our enemies like best is overly aggressive Inspectors General. So, thank God, this guy, Clark Kent Ervin, the IG at Homeland Security, just got canned.
Late Update: I'd be curious to hear from people who are familiar with the backstory here. Ervin comes off the Bush-Houston-Texas ladder. So what happened?