Democracy Now: Hundreds of college students are expected to risk arrest on March 2 outside the White House to pressure President Obama to reject the Keystone XL tar sands oil pipeline project. Organizers of "XL Dissent" say they hope to stage one of the largest acts of civil disobedience against the pipeline to date. The Keystone XL would carry 830,000 barrels of oil a day from Canada to the Gulf Coast. In January, a long-awaited environmental impact statement from the State Department found the Keystone XL would...