InsideClimate: The premier of Alberta, Canada, made another visit to Washington D.C. last week, pleading again for U.S. approval of the Keystone XL oil pipeline, which would carry Alberta's heavy crude to refineries on the Texas coast. Without expanded access to markets in the United States and beyond, Premier Alison Redford said, her province's oil sands crude is selling for discounted pricesand that is creating big problems for Alberta's budget, which relies heavily on oil royalties. "It has really had an...