'Preacher' on AMC: 'The comics are really gross. They managed to capture that'

Uppercut Boxing Gym may be too grimy for the run-of-the-mill Hollywood screening, but the northeast Minneapolis sweatbox was an ideal venue earlier this month for "Preacher," AMC's interpretation of a 1990s comic book series in which one character bites off the ear of an assailant and another pulls out his own heart to present to Mom before making a mess on the floor of her retirement home. …