If Petraeus reports good things are happening and thinks it is winnable, the Rats are going to slip and call him a liar or use words to that effect. The country`s reaction will make the 4th of July look dull.
They forced the President to set benchmarks. Now that he has, and the first 3 weeks of the troop surge seems to be having positive results, they are afraid that bush might actually make this work.
And since Petraeus has a reputation that is hard to discredit, leaving before September may be the only way the Dems have to damage Bush politically.
And we all know, it’s all about making Bush look bad.