paris france foreign minister say wednesday donald trump verbal joust north korea perhaps best method handle nuclear crisis urge u.s. president focus attention raise diplomatic pressure pyongyang bellicose statements trump north korean leader kim jong un recent weeks create fear miscalculation could lead action untold ramifications particularly since pyongyang conduct sixth powerful nuclear test sept. 3. trump method perhaps best time mix responsibilities jean-yves le drian tell bfm tv country break nuclear international agreements north korea president trump react forcefully without doubt way act different way put pressure sanction north korean foreign minister ri yong ho monday accuse trump declare war north korea threaten pyongyang would shoot u.s. warplanes fly near korean peninsula american bombers fly close last saturday north korean minister react trump twitter comment kim ri around much long act threats toward unite state le drian repeat maximum amount pressure need place pyongyang get back negotiate table warn risk accidental military escalation world live dangerous period say moment verbal clash could incident need avoid incidents france say trump method best way tackle north korea crisis