North Korea Estimated To Have 20-60 Nuclear Weapons

By HYUNG-JIN KIM ,  Associated Press SEOUL, South Korea (AP) — A top South Korean official told lawmakers that North Korea is estimated to have up to 60 nuclear weapons, in Seoul’s first public comment about the size of the North’s secrecy-clouded weapons arsenal. Unification Minister Cho Myoung-gyon told parliament Monday the estimates on the size…