oil

Editor’s Note: Energy markets are at the core of many national security debates. Whether it’s a discussion about Iran’s nuclear program, the importance of Libya, or China’s role in the world, questions about the security implications of energy are always raised. Llewelyn Hughes of Australian National University and Austin Long of Columbia are skeptical of many of the fears raised in national security debates. They argue that one of the key threats to energy markets is whether an actor can constrict a country’s supply of oil—and here U.S.