Eduardo Porter asks just that in today’s New York Times! He suggests targeted trade sanctions, a la the way Mexico responded to America’s refusal to admit Mexican trucks. He also cites former foreign minister Jorge Castañeda suggesting that Mexico could sue, both in American courts and international tribunals.
Alejandro Hope was there first on this tip! There are three more slings in Mexico’s quiver: (1) organizing popular support in the U.S.; (2) halting cooperation with the United States; and (3) diplomatic isolation. It is all risky, but rolling over for a fat crybaby in the Oval Office would be worse.
Of course, Mexico will stuck with President Peña until 2018. And Peña, well, for all the dramatic domestic reforms he has ushered is not known for his spine.