Rep. Justin Amash: "It's not lawful to ban immigrants on basis of nationality. If the president wants to change immigration law, he must work with Congress."
This is absolutely false. Obama did it with Iraq for 6 months. A President has that authority. Here is a link to the law:
https://i.redd.it/jqpayuqvdocy.jpg
If Amash doesn’t know the law, he needs to resign.