Welcome back to Foreign Policy ’s Latin America Brief. The highlights this week: Colombia hosts a climate summit , acting Venezuelan President Delcy Rodríguez takes an international trip, and researchers estimate the cost of U.S. boat strikes . Farewell to Fossil Fuels? Envoys from dozens of countries, including major oil producers such as Canada and Norway, attended a first-of-its-kind climate summit in Santa Marta, Colombia, this week. The event focused on a topic that environmentalists have