Customers during the opening of Chipotle’s first restaurant in the country, in the San Pedro Garza García suburb of Monterrey, on July 16, 2026. As the Mexican-inspired American chain makes its debut in Mexico, it faces a major hurdle: convincing Mexicans to buy an Americanized take on their own national cuisine. (Luis Antonio Rojas/The New York Times) By JAMES WAGNER The line of nearly 200 customers for the restaurant’s recent grand opening stretched on both sides of the main entrance, with…