particularly that phrase, complete, verifiable, irreversible denuclearization. why is the president not using that word? is he focusing on more achievable gains and concessions? >> well, i think he's beginning to understand that denuclearization is going to be a long, long-term struggle. not possible suddenly in his first term, or if he wins, even with his second term. this is why he keeps on saying we have all the time. there's no hurry. and he is shifting. shifting his goal, lowering the bar. let's face it. even north koreans said they would denuclearize. their idea of denuclearization is moving towardses the