Reuters: A key committee in the U.S. Congress on Monday kicked off what promises to be a rollicking, week-long climate change debate as Democrats aimed to advance a bill to slow global warming and Republicans maneuvered to kill a central part of a plan they say will hurt the U.S. economy. With copies of the 932-page proposal sitting at the desks of the 59 members of the House of Representatives Energy and Commerce Committee, the debate started in the same partisan tone that has dominated the …