Tensions between Republican lawmakers and the White House have reached an all-time high, say Republicans on Capitol Hill. President Bush's sagging poll numbers, the administration's handling of the Dubai port deal and lingering bad memories of Harriet Miers' failed Supreme Court nomination have left a broad spectrum of Republicans on Capitol Hill with little good will toward the White House. "I was offended," Sen. Trent Lott, Mississippi Republican, said of Mr. Bush's threat last week to veto legislation aimed at stopping the transfer of port operations to a company owned by the United Arab Emirates. He said Mr. Bush "threatened...