The 1st and 14th amendment apply to all functions of government, including immigration. Unless Islam is ruled to be something other than a religion, the government can’t legally treat Muslims different than Christians. SCOTUS would throw it out in a heartbeat.
Not a chance. Courts stay away from foreign policy.
“Unless Islam is ruled to be something other than a religion.....”
.
And who, pray tell, will possibly undertake such a mission?
Doomsday for the USA is therefore unavoidable.
Luckily, I won’t see it in my lifetime.