I spoke with TIME about Trump’s call to end temporary protected status (TPS) for El Salvador. Although the program is temporary in nature, it has been renewed by presidential administrations ever 18 months since 2001.

Cornell Law Professor Stephen Yale-Loehr told TIME in November that presidents have typically maintained [TPS] status because ending it could pose a political challenge.

“Individuals from those countries settle here, they have roots, they marry U.S. citizens, they have U.S. citizen children,” he said. “So if you take it away then you’re dividing families and sending some people back to their home country.”

The full article is here.