National Public Radio: MICHELE NORRIS, host: And over in the Senate, a feud over climate change legislation prompted a rare move by Republicans. They boycotted the final drafting of a major bill on global warming. Two Republicans were needed for a quorum in the Environment and Public Works Committee, only one showed up. NPR’s David Welna explains what happened. DAVID WELNA: Chairwoman Barbara Boxer wants her environment committee to be the first of six Senate panels to finish cap-and-trade …