Christian Science Monitor: Tens of thousands of protesters marched on Washington Sunday, in what organizers say was the largest climate rally in US history. They had varying agendas but unified on one point: Blocking construction of the Keystone XL pipeline.
When you are in a hole, stop digging, Bill McKibben, cofounder of the environmentalist group 350.org,, told the crowd gathered on the National Mall. Above all, stop the Keystone [XL] pipeline. The president can do that with a single stroke of a pen, and it would...