USA Today: In what was billed as the largest climate rally in U.S. history, thousands of people marched past the White House on Sunday to urge President Obama to reject a controversial pipeline and take other steps to fight climate change.
Organizers, including the Sierra Club, estimated that more than 35,000 people from 30-plus states -- some dressed as polar bears -- endured frigid temperatures to join the "Forward on Climate" rally, although the crowd size could not be confirmed. Their immediate target...