As the Electoral College prepares to certify President Bush's re-election on Monday, concerns persist about the integrity of the nation's voting system — particularly in Ohio, where details continue to emerge of technology failures, voter confusion and overcrowded polling stations in minority and poor neighborhoods Few mainstream politicians dispute Bush's victory, and the incumbent's 3.5 million-vote margin nationwide was wider than any of the reported problems, which included insufficient or incomplete provisional ballots and, in some places, brazen partisan shenanigans. But that is not stopping a disparate assortment of personalities — prominent among them Democratic congressman John Conyers Jr. of...