North Korea's position on developing nuclear arms remained unchanged Sunday after the U.N. Security Council imposed tougher sanctions on it, described by U.S. President Donald Trump as having a "big financial impact!"Chinese Foreign Minister Wang Yi told reporters that his North Korean counterpart Ri Yong Ho, in talks on the sidelines of a series of regional meetings in Manila, reiterated Pyongyang's position on the nuclear issue.North Korea has long claimed its efforts to develop nuclear arms and long-range missiles are defensive in nature, and essential because of the threat it faces from…READ FULL ARTICLE