The Interstate Compact Clause is not handled by the President, but Congress. https://en.wikipedia.org/wiki/Interstate_compact https://en.wikipedia.org/wiki/Inte

The Interstate Compact Clause is not handled by the President, but Congress. https://en.wikipedia.org/wiki/Interstate_compact https://en.wikipedia.org/wiki/Interstate_compact When Trump threaten to "shutdown" travel between the North East States, people had to tell him that he did not have the authority to do that.