A JUDGE tentatively rejected a bid Wednesday to move the trial of four police officers charged in the videotaped beating of Rodney King, saying the case would create a sensation "wherever you go" . . . BRAZIL AND PERU signed a pact Wednesday that will send Brazilian doctors to Peru's Amazon region to help stop a cholera epidemic from spreading across Latin America . . . AUTHORITIES SEIZED 1 1/2 tons of cocaine with an estimated street value of up to $400 million in Los Angeles and arrested five Colombians and a Bolivian on Wednesday night, police said.