Politico: Lobbyists are cramming into a Rayburn House Office Building hearing room this week for the Energy and Commerce Committee’s markup of landmark legislation to curb global warming through a complex cap-and-trade system. But some of those lobbyists will carry a bit more weight — or at least a heftier client list — than others. A new analysis of Senate disclosure records by The Center for Public Integrity found that 10 lobbying firms — all with deep ties to Capitol Hill — have …