Bush says global climate change 'serious' problem 34 minutes ago WASHINGTON (AFP) - US President George W. Bush said global climate change is a "serious long term" problem and insisted that the United States, which rejected the Kyoto protocol, was leading research into finding solutions. Climate change was one of the key issues to be raised by British Prime Minister Tony Blair during a summit with Bush at the White House. Bush told a press conference afterwards, "I've always said it's a serious long long-term issue that needs to be dealt with, and my administration isn't waiting around to deal...