SOUTHERN SHUNEH Jordan--Borders must be "open to Syrians everywhere," including in Europe, to help ease the burden of Middle Eastern countries that have absorbed close to 4 million Syrian refugees, the head of the U.N. refugee agency said Saturday. Antonio Guterres also appealed to the international community to boost development aid to refugee host countries such as Jordan and Lebanon. "They are the first line of defense for global collective security and they are pillars, essential pillars, for regional security," Guterres told The Associated Press at a regional World Economic Forum conference. "If they fall, the consequences will be dramatic...