Politico: The Senate's Monday vote to start the debate over the Keystone XL pipeline bill has opened the legislative floodgates for the new GOP Congress, with members on both sides of the aisle set to unleash a torrent of politically sensitive energy amendments on issues such as crude oil exports and climate change.
The climate amendment, backed by Sen. Bernie Sanders (I-Vt.), is designed to pin down senators' views about the connection between humans' greenhouse gas emissions and global warming, while...