Many directors would avoid controversy after the splash that Brokeback Mountain caused, but not Ang Lee. The director has earned even more headlines for his sexually explicit new movie, Lust, Caution. Set during WWII, where a Chinese spy (Wei Tang) begins an affair with a powerful political figure (Tony Leung) to try and bring him to justice, it is one of Ang's most daring films to date. We sat down with him to discuss the hoopla and the movies themes.