Tariffs probably won't pare back how much produce Arizona imports from Mexico. But they could still wreak havoc on what we put on our plates.

Mexican troops arrived in Ciudad Juárez and Tijuana this week and will soon patrol 18 cities near the Mexico-U.S. border.

Soldiers from the U.S. Army 10th Mountain Division, a light infantry division based at Fort Drum, N.Y., are being deployed to ...