Calgary Herald by Lauren Krugel.  The CEO of Enbridge Inc. says he sees momentum shifting in favour of his company's controversial Northern Gateway pipeline, with an agreement between Alberta and British Columbia on West Coast oil exports the latest encouraging sign.  "We think it's quite positive, actually, that we're seeing some good collaboration between the provinces. I think it shows leadership by both of the premiers," Al Monaco told analysts and reporters on a conference call Wednesday. Commentary: Yesterday, we spent a few minutes talking with visiting Congressman Doc Hastings, Chairman of the [...]