Nicole Foy, Propublica

About a week after President Donald Trump took office, Jonathan Guerrero was sitting at the Philadelphia car wash where he works when immigration agents burst in....

Early last year, President-elect Donald Trump promised that when he got back into the Oval Office, he’d authorize the U.S. Navy to build more ships. “It’s very important,” he said, “because it’s jobs, great jobs.”

However, the companies that build ships for the government are already having trouble finding enough workers to fill those jobs. And Trump may make it even harder if he follows through on another pledge he’s made: to clamp down on immigration....