You don't get to decide what constitutes "American interests." We all do, and our current consensus is encoded in the First Amendment which states plainly that

You don't get to decide what constitutes "American interests." We all do, and our current consensus is encoded in the First Amendment which states plainly that the government cannot take action against people (not constrained to US citizens*) on the basis of their speech. You can change the Constitution if you don't like it!