A bipartisan immigration bill hammered out in the U.S. Senate includes a provision that would eliminate a major hurdle faced by Cuban migrants coming through the U.S.-Mexico border, and that so far has caused thousands to remain in limbo while trying to get their green cards in the United States. Cuban migrants may apply for permanent residence after a year of living in the United States, thanks to the 1966 Cuban Adjustment Act. But the law requires them to have been “inspected and admitted or paroled” into the U.S. in order to qualify. For many years, Cuban migrants were released with a so-ca…