Trump Push for Hasty DMZ Photo-Op Risks Longer North Korea Problems

(Bloomberg) -- U.S. President Donald Trump siphoned away attention from the cavalcade of Democrats vying to replace him with an audacious invitation for North Korean leader Kim Jong Un to shake hands at the Demilitarized Zone.The offer -- naturally made over Twitter while the president attended the Group of 20 summit in Japan -- was an act of showmanship fraught with risk for U.S. efforts to dismantle Kim’s nuclear arsenal. Despite two historic photo-ops with the North Korean leader over t