process of denuclearization. they view this as taking place over a matter of many years with more than the united states indicated they are willing to give. the u.s. saying the benefits will come at the end of the process. that's different from what the north koreans expect. the north koreans have said -- my source told me, they don't intend to walk away from talks. but they will do it if the u.s. doesn't push forward with the bold move, this peace treaty. they have the backing of their traditional allies, china and russia. kim jong-un looked good on the world stage, not the mad man image that was portrayed by the united states. maximum pressure may be difficult moving forward. >> that's what i was going to say. if the talks fall apart, can you go back to maximum pressure language? it makes it harder. will, great reporting. thanks very much. still ahead, divers are in the water in missouri as operations have begun to try to raise the tour boat that