One year into President Donald Trump’s immigration crackdown, there’s little evidence that closed borders are boosting employment for US-born workers.

The hiring squeeze is exposing a longstanding structural rift between the kind of work the vast majority of Americans aspire to do and the manual-labor roles that face persistent staffing ...

Trump has said he wants a baby boom. Is it here? Within his administration, it seems to be. More widely, however, the answer is complicated.