______________________On Sunday, Boston's top police official said investigators believe the two brothers suspected in the bombings were planning other attacks. For more on that story, go to our website,voanews.com. U.S. air travelers are bracing for possible delays today as air-traffic controllers begin the first of a series of furloughs resulting from US spending cuts. The European Union's executive commission is recommending opening membership negotiations with Serbia, Serbian government has approved an agreement in normalized relations, putting Serbia on a path to EU membership. ________________周日,波士顿首席警官表示调查表明爆炸案的两兄弟嫌疑人曾计划了其他的袭击.为了解更多的新闻,请访问我们的网站voanews.com. 由于削减开支,航空交通管制员开始了一连串的休假,这使得乘客们面临着可能的飞机延误. 欧盟执行委员会建议启动与塞尔维亚入盟会谈.塞尔维亚政府已经批准了一项关系正常化的协议,这为塞尔维亚成为欧盟成员国铺平了道路.
