I find it disgusting that people are literally desperate to avoid the fact that, yes, some Muslims can be terrorists. Not all Muslims, but some.
And good luck getting the refugees in now (yes, I know the attackers likely were not refugees). Whether we should or shouldn't take them in is irrelevant, because the issue is dead. Once again, radical Islamic terrorists have struck us. This is the third major attack by them since 9/11.
Oh, the refugees are coming in. Obama has made very clear that he doesn't care what anyone thinks.
I think this terrorist asshole and the likely tone-deaf response from all corners may just elect Trump President, unfortunately.
A terrorist incident by foreign Muslims or refugees could definitely propel Trump to the presidency, but I don't know about domestic terrorism. We'll see.