Oklahoman: Energy infrastructure company TransCanada has asked an Oklahoma judge to help keep protesters away from its pipeline construction sites. The company is building a 485-mile oil pipeline between Cushing's storage hub and refineries along the Gulf Coast. The project is part of TransCanada's proposed Keystone XL pipeline, which is awaiting approval from the Obama administration to cross the U.S.-Canada border. The 1,179-mile pipeline would carry oil from Canada and North Dakota through Cushing to the...