The tax cut deal between President Obama and Republicans gained momentum Wednesday, as Republican and Democratic party leaders appeared to have contained the most serious objections to it. Vice President Joe Biden met with House Democrats at the Capitol, and while some liberal lawmakers remained upset about aspects of the package, and hoped for some tweaks around the edges, Democratic leaders were resignedly preparing to support it. There was talk in the Senate of moving to debate on the floor as early as Thursday, though that remained highly fluid, and Senate Democrats were reportedly asking the White House for minor...