The president has undermined trust. No longer will the members of Congress be entitled to accept his veracity. Caveat emptor has become the word. Every member of Congress is on his or her own to determine the truth.
Any agreement that you have isn't going to be based on North Korea's intentions or trust.
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Suicide is possible but not probable hanging I trust is even more unlikely for I hope that by the time I die my countrymen will have become civilised enough to abolish capital punishment.