I'll leave the question of constitutionality to the lawyers, but there's no question Trump's plan, and all of you clowns that support it, are reprehensible and anti-American.
Anti-American to consider AMERICAN interests? REALLY?
Shitting your pants in fear is not an "American interest".
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When someone says they want to kill you ... you would invite them over for dinner.
The muslim religion orders its followers to kill all infidels.
Sure most of them don't adhere to the principles that closely, just like Catholic women using birth control against the Churches orders not to.
But < some > of them do and they have been ordered to blend in with the " refugees " and commit acts of terrorism / martyrdom against the west.
We know that for a fact. They don't even try to conceal it.
How are you going to vette these people?
The only place to get information about them is, usually, from the very government they are fleeing and the officials in that country hate our guts.
Do you really believe they will answer our questions about the people who fled their country honestly?
At this time, there is absolutely no way to properly vette them to try to weed out the terrorists so Obama and other supporters of muslim terrorists want us to just give anyone who wants to come permission to enter our country and get lost among the millions of citizens and then what are you going to say when they poison the water in Chicago or set off a nukie in New York or Seattle?
It is sheer insanity to allow these people into the country before they have been thoroughly vetted and if it < is > necessary to do so ( I can't imagine why it would be ) ... put them in the old Japanese detention camps. Fix them up, of course. But they cannot be allowed to run free and get lost in our population and attack us.