The Senate Wednesday defeated a Republican-led effort to override President Barack Obama’s veto of legislation approving the Keystone XL pipeline , the latest twist in a yearslong saga over the contentious project. In a 62-37 vote, the Senate didn’t get the required 67 yes votes necessary to override Mr. Obama’s veto of the bill, which would have authorized a Canadian company to construct the 1,179-mile pipeline. The project has been under review by the Obama administration for more than six years. Mr. Obama vetoed the legislation, not the pipeline itself. The administration retains the ultimate decision. The pipeline, which would carry up to 830,000 barrels of oil a day mostly from Canada’s oil sands to existing pipelines in Steele City, Neb., crosses an international […]