Bloomberg: Representative Henry Waxman said he won’t budge from his proposed 20 percent reduction in greenhouse gases over the next decade even as some lawmakers say the economy could suffer. “I want to keep those caps in place,” Waxman, chairman of the House Energy and Commerce Committee, said in an interview on Bloomberg Television’s “Political Capital with Al Hunt” airing this weekend. “It’s what the scientists are telling us we must do” to avoid a global catastrophe, he said. Waxman, …