House Speaker Nancy Pelosi on Wednesday traded fire with Republicans over a procedural rule that would allow House members to pass sweeping health care changes without a direct up-or-down vote on the Senate-passed version of the legislation. Republicans are riveting their fire on the maneuver - which could marry Senate health care legislation that some of her members don't like with "fixes" that they do - as possibly their last chance to stop the nearly $1 trillion, 10-year plan as it nears a make-or-break vote as soon as this weekend. The vote promises to be extremely close, and Pelosi has...