In a striking development involving the rapidly changing North Korean geopolitical situation, moments ago Voice of America reporter Steve Herman stated that according to US government and other sources, North Korea has "apparently placed a nuclear device in a tunnel and it could be detonated Saturday AM Korea time." Steve Herman ✔ ‎@W7VOA US gov’t and other sources say #DPRK has apparently placed a nuclear device in a tunnel and it could be detonated Saturday AM #Korea time. 4:11 PM - 12 Apr 2017 He then quotes an NSA official who had no comment at this time, but said "we...