“For eight years as vice president, Joe Biden served as the United States’ principal emissary to Latin America and the Caribbean. He took a total of 16 trips to the region, the last of which—to the Colombian city of Cartagena in December 2016—was a victory lap of sorts: Biden congratulated Colombian President Juan Manuel Santos on his government’s hard-won peace deal with the Marxist-Leninist insurgency known as the FARC, or the Revolutionary Armed Forces of Colombia…”