Scroll Down For Commentary: "J'Accuse" Calgary Herald by Deborah Yedlin.  One year ago, at the annual IHS Cambridge Energy Research Associates' CERA Week conference here, talk was infused with concerns of the Arab Spring, rising oil prices and whether releasing barrels from the Strategic Petroleum Reserve would be a good idea. ... As this year's event kicked off Monday, oil prices are rising and instead of the focus being on Egypt, Libya and Tunisia, the conversation has turned toward the uncertainty presented by Iran. Yesterday we had the pleasure of joining Dan Fagan and Elizabeth Giardina (NGP [...]