Back in the Senate, fear that cap-and-trade will be painted as a murky, confusing job-killer and a bureaucratic hassle makes Democrats in conservative states nervous.

• 回来说参议院，担心限制与交易法案被描绘为一个阴暗的，费解的就业杀手和官僚的论战，弄得在保守州的民主党人紧张不安。