Angering conservatives on the critical issue of national sovereignty, the Bush Administration is supporting a plan by Senator Joseph Biden, D-De., to stage a Foreign Relations Committee hearing on September 27 in order to usher the controversial U.N. Law of the Sea Treaty to the Senate floor for a quick vote. Biden, chairman of the committee and a Democratic presidential candidate, was a leader of the effort to defeat Bush’s pick of John Bolton as U.S. Ambassador to the U.N. Conservatives are hoping the facts about President Reagan’s rejection of the measure, mainly on the grounds that it was a...