Well it does seem that it should at least be tried first. Nixon did talk to China and Reagan talked to Russia so it isn't that uncommon to try diplomacy rather than just go straight to the bombs.

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"Give me your tired, your poor,
Your huddled masses yearning to breathe free,
The wretched refuse of your teeming shore.
Send these, the homeless, tempest-tost to me,
I lift my lamp beside the golden door!"