Globe and Mail: Natural Resources Minister Joe Oliver heads to Washington Monday to help sell the Keystone XL pipeline as Ottawa steps up efforts to persuade the Obama administration that its ready to partner on tackling climate change. The visit will mark Mr. Olivers first face-to-face meeting with U.S. Energy Secretary Ernest Moniz since he took the job in May. Mr. Oliver is expected to tell Mr. Moniz that Ottawa and Washington are on the same page on both energy and climate change. Enhancing bilateral energy...