Globe and Mail: Canadas Natural Resources Minster Greg Rickford was on Capitol Hill again Tuesday pitching Keystone XL, as Senate supporters of the controversial pipeline tried to round up sufficient votes to override U.S. President Barack Obamas threatened veto of any Congressional attempt to force approval of the project to ship Alberta oil sands crude to the Texas Gulf coast. After meeting Senator Joe Manchin, a West Virginia Democrat and Keystone XL backer, Mr. Rickford said: I thanked Senator Manchin for...