The only action Obama took  over NK in the last 8 years was to send his envoy Dennis Rodman to talk sense into then.

Trump had ships heading to NK and now after a chat with the Chinese they have massed 150000 troops on the border


As concern mounts that North Korea will use a national commemoration on Saturday to conduct its sixth nuclear test, claims the Chinese army has amassed 150,000 troops including medical teams on the border with North Korea have been repeated on the front page of China's state-owned Global Times newspaper.


http://www.smh.com.au/world/north-korea-tensions-reports-of-chinese-troops-on-bo...