Hudson Senior Fellow Christopher Sands' essay "Securing the Perimeter: What it will take to do a Deal with the United States," for A Safe and Smart Border (Wilson Center, 2012).

Caption
A Mexican National Guard officer stands guard on a pickup truck during a vehicle check heading to the United States at the San Ysidro Port of Entry crossing in Tijuana, Baja California, Mexico, on February 6, 2025. (Getty Images)