诺思的制度变迁理论（North's Theory of Institutional Change） 核能与核战争（Nuclear Energy and Nuclear War） 经济周期的夹钳理论（Nutcracker Theory of the Business Cycle） ..
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He agreed with the president that America needed renewable and nuclear energy but promised to end the federal regulatory war against coal and build the Keystone XL pipeline.
FORBES: Scoring Romney & Obama's Disappointing Energy Debate
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