Perhaps it was just a shot into the bow to get Korea’s attention. This was Mad Dog’s attack.
Bray..Interesting Trump was having dinner with China’s Xi at the time....I think since the push has been on China to do ‘more’ about N.Korea Xi just got the message if he doesn’t...Then Trump is not afraid to do it...and China doesn’t want to see a mad dash over his borders of North Koreans should that happen.