Europe's leaders will offer Africa up to 3.6 billion euros ($3.8 billion) in aid at a summit in Malta on Wednesday in exchange for help tackling the migration crisis rocking Europe. The rare gathering of around 50 leaders from the two continents is the newest prong in the European Union's strategy to deal with the biggest flow of refugees and migrants since World War II. The money is meant to persuade African leaders to take back more economic migrants from the EU, with many African countries reluctant to lose the billions of dollars in remittances sent by people working abroad. EU migration commissioner Dimitris Avramopoulos said European nations...