Keystone XL: Trump issues permit to begin construction of pipeline

President ushers in ‘new era of American energy policy’ Friday as environmental activists denounce revived oil pipeline as a ‘disaster for the planet’Timeline: how the pipeline rejected by Obama got second life with TrumpDonald Trump announced a “new era of American energy policy” as he signed the presidential permit allowing TransCanada to build the Keystone XL pipeline.“It’s going to be an incredible pipeline. Greatest technology known to man. Or