The Muslim travel ban is supported by propaganda - false information disseminated for political purposes, and preys upon Middle America's fears. Refugees, in particular, are already subject to an "extreme vetting" process. Actual terrorists have come from the countries of our allies, who are absent from the limited list of origin countries, or have been citizens. It is demonstrably true that immigrants, wherever their origins, contribute to economic prosperity. Don't succumb to fear, bigotry and xenophobia. Learn the facts from legit news sources and refuse to be manipulated by white nationalists.