A group of nine recipients of the Nobel Peace Prize, including Bishop Tutu of South Africa and the Dalai Lama of Tibet, have written a letter to President Obama urging him to reject the application to build the Keystone XL pipeline. The letter reads, in part: The night you were nominated for president, you told the world that under your leadership—and working together—the rise of the oceans will begin to slow and the planet will begin to heal. You spoke of creating a clean energy economy.