(This is an archived copy of an essay that was originally published here at India Currents magazine.) Imagine you are a green card holder traveling frequently between the U.S. and your native country. Perhaps you seek cheaper medical treatment in your native country and return for medical visits. Or perhaps you are elderly and have relatives still living in your birth country, but the travel exhausts you, so you stay overseas for longer periods of time. But you’ve traveled this way without incident for years.  Until now.  On one routine trip back, you arrive at the passport counter and an official from Customs and Border Patrol (CBP) tells you to…