WASHINGTON — The capital has plunged into satire. There's the bizarre investigation of Sandy Burglar, as the respected former national security adviser has now been dubbed, pulling a Fawn Hall and smuggling stuff out of the National Archives in his fine washables. And just when you thought the Bush foreign policy couldn't sound more chuckleheaded, revelations in the 9/11 commission report being released today elevated the Bush doctrine to an Ali G skit. The most astute prophet of the administration's Middle East muddle is Sacha Baron Cohen, the hilarious British comedian whose Ali G character is an uninformed gangsta rapper...