The United States and Mexico have experienced a significant number of setbacks in their security cooperation over the past year. Although policy differences, mutual accusations of wrongdoing and a degree of distrust have always been inherent aspects of the bilateral relationship, U.S. and Mexican administrations since the late 1990s had generally found ways to work together on the principal issues affecting them. This pragmatic approach was severely tested during former U.S. President Donald Trump’s administration, particularly after the populist Andres Manuel Lopez Obrador, popularly known as AMLO, became president of Mexico in December 2018. With Trump out of office, AMLO […]