A special immigration status helped Mills Manufacturing, which makes parachutes for the U.S. military, keep its workforce fully staffed. But last week, an order from the Supreme Court allowed the Trump Administration to revoke temporary protections for about 500,000 immigrants from Cuba, Venezuela, Haiti, and Nicaragua. WSJ’s Ruth Simon explains why companies like Mills are scrambling. Annie Minoff hosts. Further Listening: - A New Phase in Trump’s Immigration Fight  - How Frog Embryos Landed a Scientist in ICE Detention  Sign up for WSJ’s free What’s News newsletter.  Learn more about your ad choices. Visit megaphone.fm/adchoices