For nearly 40 years the United States resettlement program has been the best in the world, providing safety and opportunity to millions of refugees. But in his first week in office President Donald Trump signed an executive order that threatens to pull back the welcome mat. That order, which is being challenged in federal courts, would put resettlement on hold in the name of unfounded security concerns — and shut out refugees fleeing the conflict in Syria indefinitely. You may have heard the “alternative facts” about refugees. Here are the real facts.