North Korea adopted a constitutional amendment to incorporate its policy of "rapidly developing nuclear weapons to a higher level" during a key parliamentary session earlier this week, with leader Kim Jong Un stressing the need to deter U.S. military "provocations," state-run media said Thursday.At the two-day session of the Supreme People's Assembly through Wednesday, Kim said, "We must neither change nor concede the present position of our country as a nuclear weapons state, but, on the contrary, continue to further strengthen the nuclear force," the official Korean Central News Agency re…READ FULL ARTICLE