2009, "The Hangover" in theaters worldwide, received $ 460 million at the box office mad, but the film production costs only $ 35 million. Have such a success, and also early to make up a sequel to the determination of Warner Bros. Pictures. "The Hangover" is still Directed by Todd Phillips, the first episode of four starring the full return, even to play an Asian gang, "Mr. Zhou" Ken Cheng, will also debut again in the sequel. In addition, due to the success of the film, "The Hangover" Liam Neeson, former U.S. President Bill Clinton, who has also attracted guest....