WASHINGTON, D.C.—Thursday's request by New York senator Hillary Clinton for an independent study of the nation's voting system before the November election comes amid growing fears that the Bush administration may try to fix the vote in a tight election. According to Clinton's press aides, Clinton and a group of other top congressional Dems asked the Government Accountability Office "for a thorough independent review," adding, "We already know of the potentially serious problems posed by the widespread use of electronic voting machines." Clinton's press aides went on, "There are, however, other problems that have received little notice but have great...