SANTA MONICA, Calif., April 14, 2000 -- Don't ever cross the British tabs. But Anthony Hopkins did anyway, and now he's paying the price. The Oscar winner is the subject of some scathing headlines in his native U.K. today as news sinks in that Hopkins has renounced his birthright to become a U.S. citizen. The actor, who was sworn in before buddies John Travolta and Steven Spielberg in Los Angeles on Wednesday, is being branded in the Brit tabs alternately as "Hannibal Traitor "and "Hannibal Defector" -- nods, of course, to his Oscar-winning turn as the flesh-eating Hannibal Lecter in "The Silence of the Lambs." So far, Hopkins is acting very un-Hannibal and remaining tight-lipped as to his motives to go American. 'MENACE' TO DVD: The wait might soon be over. Online DVD news tracker The Digital Bits (www.thedigitalbits.com) said today that collectors and aficionad