Congress leaders from the Republican Party have sent a letter to Fatih Birol, the executive director of the International Energy Agency, expressing concern that the IEA has strayed from its core mission of promoting energy security. Senate Energy and Natural Resources Committee ranking member John Barrasso (Wyo) and House Energy and Commerce Committee Chair Cathy McMorris Rodgers (Wash) wrote in the letter that the agency has been undermining energy security by discouraging enough investment in oil, natural gas, and coal. “Until…