Bloomberg: It was February 2012, three months since President Barack Obama had phoned the Canadian prime minister to say the Keystone XL pipeline designed to carry vast volumes of Canadian crude to American markets would be delayed. Now Harper found himself thousands of miles from Canada on the banks of the Pearl River promoting Plan B: a pipeline from Albertas landlocked oil sands to the Pacific Coast where it could be shipped in tankers to a place that would certainly have it -- China. It was a country...