This week, millions will set out for Thanksgiving, a holiday that celebrates how refugees from religious persecution found freedom in a new land. I’ll be one of those traveling. Of course, I’ll be travelling legally, with the right paperwork. Most of us can't imagine how much harder it is to cross international borders if you can’t get your papers in order. Yet millions of people fleeing war and instability, or fearing persecution from their own government, don’t have the luxury of applying for passports and waiting for visas.