“So foreign guests have the same rights as US citizens?”
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Yes as a matter of fact they do. (with the exception of voting in Federal elections.
Do Non-Citizens Have Rights in the U.S.?
https://legalclarity.org/do-non-citizens-have-rights-in-the-u-s/
They exercise their rights, then we exercise our right to expel foreign agitators. It’s not rocket science.