Would you care to read this WaPo article? If you don't, the headline and the subtitle:
"Maliki's Office Is Seen Behind Purge in Forces
Some Commanders Had Pursued Militias"
say it all. They are, if anything, an understatement. The allegations, some of it coming from US officers quoted by name and rank, make the US Attorney General's office look saintly by comparison. If true, the "surge", whatever it manages to do tactically, is doomed. And it won't matter if David Petraeus is as good a soldier as everyone claims.