Politico: California Rep. Henry Waxman has spent most of the year catering to the concerns of other Democrats on his Energy and Commerce Committee. Now it’s everyone else’s turn. Waxman won a long-sought legislative victory Thursday night with committee approval of his sweeping climate-change bill. But the nimble chairman still has to get over some rocky terrain before the bill — or one like it — ever becomes law. In the House, Ways and Means Committee Chairman Charles Rangel is …