Bookshelf: Why the U.S. Failed to Contain North Koreaβs Nuclear Threat
When Barack Obama took over the US presidency in 2009, North Korea could barely muster one nuclear weapon and had just a handful of missiles that could reach Japan. Yet despite tight international sanctions, tough external pressure and on-again-off-again negotiations, barely a decade later Pyongyang had managed to develop advanced nuclear weapons capable of striking cities in the continental UnitedΒ States.