No like the endless car  bombs and using vehicles used as rams  in large crowds. The games of tahharush played on the streets. We're stuck with our own foreign terrorist attacks, which happen very little globally, as compared to Islamic terrorist attacks which are daily in some places, but can do something about bringing those other countries daily terror attacks over here.  We could save a few bucks doing it while we're at it.  Uneducated refugees do no net positive benefits on our already empty pocketbook. Many Syrians weren't even literate in there own language let alone English. I almost guarantee we'd be footing the bill for them to learn Both languages on top of housing, child welfare for multiple children per family and medical costs to start. There most certainly will be bright ones who will eventually pay taxes back. By then we're to indebted.