Republicans will take their first shot at derailing a top Democratic priority — climate change legislation — by offering as many as 200 amendments when the House Energy and Commerce Committee begins marking up its bill this afternoon. The markup, which could stretch over several days, probably provides House Republicans with their best opportunity for offering changes to a bill that will likely see limited amendments on the floor. “Our folks are united against cap-and-trade,” Energy and Commerce member Fred Upton (R-Mich.) said of the carbon control policy being pushed by Democrats. Last week, Democrats agreed among themselves on a...