The cap-and-trade movement, spooked by the pounding health care reform took over the August break, is scrambling to persuade nervous Democrats they won’t suffer politically for taking another tough vote this year. “When you get your butt kicked, like we did [after the House energy vote], it focuses the mind,” said Steve Cochran, director of the Environmental Defense Fund’s National Climate Campaign. “We found out that this is not something to hide from but something to lean on — even in places where coal is king and Blue Dogs were perceived to be running for cover.” Climate bill supporters say...