Reuters: US Republican senators on Thursday urged a Democratic-led Senate committee to slow its work on a bill to cap climate-warming carbon emissions, arguing that debate is being rushed. "Climate change is a serious and complex issue that deserves our full attention," Sen. George Voinovich said at an environment committee hearing. "So I’m asking, could you slow it down?" Voinovich, an Ohio Republican, acknowledged the desire to get a law passed quickly, but said, …