The leader of Mexico has dramatically ramped up apprehensions of U.S.-bound migrants, providing relief to President Joe Biden as he fights for re-election. President Andres Manuel Lopez Obrador has overseen an unprecedented level of migrant apprehensions in the 2024 calendar year which has, in turn, led to a decrease in migrant encounters for U.S. federal immigration authorities. The drop in migrant flow has helped ease a major headache for Biden as he’s faced poor polling on the migration issue, but questions remain whether the will to crack down on illegal immigration by Mexican leaders will…