Factual error: In the scene where., we see George Bush's speech writers in the final stage of writing the speech, we see a shot of a man working on a computer. The operating system seen on the computer screen is Mac OSX 10.4 Tiger which was released in 2005. The year this scene happened in as noted at the beginning of the scene is 2003.
Factual error: Towards the end of the movie, George W. Bush is seen walking through the Cross Hall of The White House towards what is in reality The East Room. Behind him we see a large staircase with a plant next to it on the other end of the hall. These should not be there: that is where the door to the State Dining Room really is. In the next shot we see W. coming upstairs from a winding staircase that doesn't exist.
Factual error: While discussing the evidences of Iraq's possession of weapons of mass destruction and its linkage to 9/11, Dick Cheney talks about an encounter of Mohamed Atta with a chief of Iraqi Intelligence in Czechoslovakia. According to the Czech Security Information Service, this encounter took place on April 8th, 2001 in Prague, Czech Republic. This is more than eight years after Czechoslovakia ceased to exist.