BETHLEHEM, Pa. - Republican Sen. John McCain's presidential campaign disavowed an introduction here yesterday that included Democratic Sen. Barack Obama's middle name, Hussein. William Platt, chairman of the Lehigh County Republican Party, twice referred to "Barack Hussein Obama," which other supporters of McCain and running mate Sarah Palin have used to link the Democratic candidate with Muslims. Obama is not a Muslim. McCain has disavowed the tactic, most recently when it was employed earlier this week. "We do not condone this inappropriate rhetoric which distracts from the real questions of judgment, character and experience that voters will base their decisions...