Sen. Hillary Rodham Clinton, D-N.Y., listens as she is introduced at the National Press Club in Washington, Tuesday, May 23, 2006 prior to speaking about energy policy. (AP Photo/Charles Dharapak) Sen. Hillary Rodham Clinton, D-N.Y., speaks about cutting U.S. dependence on foreign oil during a speech about energy policy Tuesday, May 23, 2006 at the National Press Club in Washington. (AP Photo/Charles Dharapak) Sen. Hillary Rodham Clinton, D-N.Y., gestures during an energy policy address at the National Press Club in Washington, Tuesday, May 23, 2006. (AP Photo/Charles Dharapak) Sen. Hillary Rodham Clinton, D-N.Y., answers questions after speaking about cutting U.S....