Naturalized citizens can also have their citizenship revoked. The revocation process should be used against those who travel to join ISIS or whatever organization they are joining. It should also be used to revoke the citizenship of supporters and sympathizers here in the US who have been naturalized.
A person is subject to revocation of naturalization if the person becomes a member of, or affiliated with, the Communist party, other totalitarian party, or terrorist organization within five years of his or her naturalization.​ [6] In general, a person who is involved with such organizations cannot establish the naturalization requirements of having an attachment to the Constitution and of being well-disposed to the good order and happiness of the ​United States​.​ [7]
There is only one candidate with the will, courage, and foresight to stop the Europeanization of America...
Trump