Associated Press: Nobel Peace Prize winner Al Gore said Monday that the United States and China will "stand accountable before history" if they fail to take the lead against global warming – a daunting threat that would require wartime resolve. In accepting the prize he shared with the U.N. climate panel, the former U.S. vice president said humanity must make peace with the earth or slide down a path of "mutually assured destruction." "We, the human species, are …