Will the Real George W. Please Stand Up?

"Extra" went behind the scenes of Oliver Stone's controversial epic "W" -- and the iconic director dished about how actor Josh Brolin was so convincing as George W. Bush, that Stone himself did double-takes when Brolin walked on set!

Brolin reveals how he got into his role -- and sets the record straight on rumors that his liberal stepmom Barbra Streisand was riled when he took the role of Dubya.