that could include a new missile test. meantime former national security adviser john bolton is accusing president trump of bluffing on north korea. suggesting an all-talk approach is putting u.s. forces at risk. barbara starr has more from the pentagon. >> reporter: former national security adviser john bolton slamming president trump for failing to get north korea to give up its nuclear weapons. tweeting this afternoon there is no real policy. the risk to u.s. forces and our allies is iminnocent and more -- imminent and more effective technology is needed before they threaten the mesh american home larnd. doubling down on critical marks telling axios the idea that we're exerting maximum pressure on north korea is just unfortunately not true. bolton had a much different view last year. >> physically we would be able to dismantle the overwhelm bulk