Woody Harrelson's L.A. cop in "Rampart" keeps his audience guessing whether his thuggishness is the desperation of a basically decent man or is his bitter true self. (Millenium Entertainment via Associated Press)

Woody Harrelson's L.A. cop in "Rampart" keeps his audience guessing whether his thuggishness is the desperation of a basically decent man or is his bitter true self. (Millenium Entertainment via Associated Press)