Texas Attorney General Ken Paxton failed in every one of his attempts to convince the U.S. Supreme Court to halt President Joe Biden’s immigration policies. But the Texas Republican’s repeated losses might have actually helped clear the way for President-elect Donald Trump to roll out an immigration crackdown that includes mass deportations,

There are reportedly more than 1.4 million people in the U.S. who have received final deportation orders from an immigration judge. Also last week, Texas Land Commissioner Dawn Buckingham sent Mr. Trump a letter offering his administration more than 1400 ...