Why do this particular work of mercy require that other people's lives be put at risk?

The idea behind it is that American should be completely open to everyone who wants to come here.

Europe tried this.  Germany really, really tried this.

Now even Germany is backing off.   Why?  Horrible problems.

But still, I read the purple warm and fuzzy stuff about how there's no risk to accepting "those in need" from radicalized nations.

Apparently, all those people who died from Muslim terrorism died in vain.

Liberals simply do not recognize or accept history and present reality.