The dockworkers’ strike, their first since 1977, could snarl supply chains and cause shortages and higher prices if it stretches on for more than a few weeks. Beginning after midnight, the workers walked picket lines Tuesday and carried signs calling for more money and a ban on automation that could cost workers their jobs.

If you haven’t been paying attention to what’s been going down at the border, it’s high time you should—specifically the parts of the U.S. that border the Atlantic Ocean and the Gulf of Mexico. Tuesday,