First of all, the report won't be written by Patraeus . It'll be written by the White House. But he will testify to Congress. Here's John Cole's prediction of how it will go : 1.) Petraeus will enter the room, and Joe Lieberman and several other moderate Democrats will faint when they see him in Class A’s with lots of ribbons and medals. 2.) Petraeus will offer a mixed report, citing temporary tactical advantage and listing points of progress. Lots of cheese charts with arrows pointing in the right direction, but little to no sourcing, will be on display. 3.) Lieberman, freshly revived from his initial fainting, hears Petraeus utter the words “our brave men and women in uniform,” and promptly passes out again. 4.) Petraeus mentions, in passing, that we are facing difficulties. Democrats fail to press him. The difficulties are not mentioned specifically, but in vague generalities. 5.) Petraeus states the situation is too tenuous to drawdown troops before fall