In a new twist, Mexicans who in the past resisted the idea of American “boots on the ground” to aid their country’s fight against crime cartels are now increasingly open to it, The New York Sun has learned. President Trump, in contrast, is launching a tariff battle against the southern neighbor, citing the flow of fentanyl.  

America could significantly beef up the presence in Mexico of agents from the Drug Enforcement Agency and the CIA, a former Mexican foreign minister, Jorge Castaneda, tells the Sun: “You can certainly see more U.S. boots on the ground, although not necessarily military boots.”