WASHINGTON (Reuters) - Secretary of State Hillary Clinton suggested on Tuesday the world was breathing a sigh of relief that President Barack Obama had replaced George W. Bush and was working to fix the damage he had caused. In her first news conference as top U.S. diplomat, Clinton said excitement over the change in power was "reinforced time and time again" during her welcome calls in recent days with foreign counterparts. "There is a great exhalation of breath going on in the world as people express their appreciation for the new direction that's being set and the team that is...