At the foot of the Paso del Norte International Bridge, a half-dozen young men are hunched over their phones. They're trying to sign up for a coveted appointment for an interview at the U.S. port of entry just across the bridge in El Paso, Texas.
Ciudad Juárez, MEXICO — At the foot of the Paso del Norte International Bridge, a half-dozen young men are hunched over their phones. They're trying to sign up…