CANNON BALL, ND--More than 2,000 U.S. military veterans plan to form a human shield to protect protestors of the Dakota Access Pipeline project near a Native American reservation in North Dakota, organizers said, just ahead of a federal deadline for activists to leave the camp they have been occupying. It comes as North Dakota law enforcement backed away from a previous plan to cut off supplies to the camp--an idea quickly abandoned after an outcry and with law enforcement's treatment of Dakota Access Pipeline protestors increasingly under the microscope. Veterans Stand for Standing Rock, a contingent of more than 2,000...