Speaker Nancy Pelosi of California holding the gavel used to pass Medicare Reform, laughs as she walks across the street and into the U.S. Capitol as the House prepares to vote on health care reform in the U.S. Capitol in Washington, Sunday, March 21, 2010. Walking with Speaker Pelosi are from left, Rep. Steny Hoyer, D-Md., Rep. John Lewis, D-Ga., and Rep. John Larson, D-Conn. Charles Dharapak and top-story-region