TRIESTE, Italy (AFP) — Seven European Union and six Western Balkan nations hold an annual summit Wednesday in Trieste, with leaders hoping to bolster security in one of the continent’s more vulnerable flanks and forge closer ties. The summit will be preceded this year by a meeting of French President Emmanuel Macron, German Chancellor Angela Merkel and Italian Prime Minister Paolo Gentiloni, with the continued flow of migrants into the EU expected to be high on the agenda. […]