The Wesleyan community is invited to the 10th annual Shasha Seminar for Human Concerns on April 19-20. This year, experts will explore the topic, "The Political Economy of Oil." "Energy policy is always in the news. But with gas prices above $4 a gallon, shale gas revolutionizing the gas industry, and intense debates over the construction of the Keystone pipeline, it has never been more topical," says Peter Rutland, Colin and Nancy Campbell Professor in Global Issues and Democratic Thought, Professor of Government, Professor of Russian and Eastern European Studies At 8 p.m. April 19, Daniel Esty, commissioner of the…