"After numerous terrorist attacks, honor killings and cartoon attacks, it was becoming clear throughout Europe that assimilation was not working. There was no flexibility on equality of the sexes or gay rights. Militant refugees did not share the West’s views on freedom, individual rights, or religious tolerance."

https://townhall.com/columnists/terrypaulson/2017/10/02/lessons-learned-in-mass-refugee-immigration-n2388335?utm_source=thdaily&utm_medium=email&utm_campaign=nl&newsletterad=

"In response to problems with mass immigration, porous borders began to close. The UK voted to leave the EU. Fences went up between Hungary and Serbia, between Bulgaria and Turkey, and between Macedonia and Greece. Refugees were becoming increasingly unwelcome."

So clearly there is a dissonance between other countries' experiences w/ open borders in recent history, and our country's quest to be open border.  Head scratcher, no?