Character mistake: After the Iowa caucus Laura tells Bradley not to worry because "there will be 49 more of these things" That is not true. Washington D.C. and various other U.S territories hold primaries as well. After Iowa there would be 54 primaries left.
Continuity mistake: When Bradley and Laura are sitting on the couch in Laura's Las Vegas hotel room, the view behind them changes from the Eiffel Tower view to a hotel view. (00:42:27)
Factual error: An email address is shown on a cellphone: Ken @ Vanity Fair. Email names cannot have spaces in them. (00:12:10)