Times-Herald: Senate Democrats have formally given up on attempts to enact comprehensive energy and climate-change legislation this summer. Backers have hinted at trying again in the fall, perhaps even in a post-election lame-duck session, but that seems unlikely. Even if President Barack Obama doesn’t lose his House and Senate majorities, he will almost surely be working with narrower margins. If, as Senate Democratic leader Harry Reid observed, the votes just weren’t there for the bill this year, …