A former U.S. envoy has urged the United States to hold talks with North Korea without preconditions in a bid to break the impasse over its nuclear weapons and ballistic missile programs."I am of the view that the two sides should agree to have 'talks about talks' without any preconditions," Robert Gallucci, the chief U.S. negotiator for a now-defunct 1994 nuclear freeze deal with North Korea, said in an interview.Gallucci's view is at odds with U.S. President Donald Trump's policy of imposing "maximum pressure" on North Korea in concert with the international community to compel the countr…READ FULL ARTICLE