I disagree.....on multiple levels. No, we're not trying to become isolationist where we're merely enforcing existing law. Tourism will be just fine. And no, our security is anthing BUT tight, which is why so many people are having such a coniption. When our acutely laxed enforcement of immigration law is seen as the norm, the perception that we're somehow bringing down the guantlet, for shifting to actually enforce our current laws, can be seen as somehow, "over the top". That's an erroneous perception. There's is no massive effort to "show me your papers". Thousands and thousands of people, were coming thru from Muslim countries, just fine, with Trump's 1st EO. There were a few hundred who were merely inconvienienced, but when you listened to the news, the perception is that anyone that largely walked on 2 legs was stopped by ICE or Customs.