After weeks of rising tension between Kosovo and Serbia, the leaders of both sides agreed to calm things down Tuesday night at a Brussels meeting with EU foreign policy chief Federica Mogherini. But comments by Kosovo President Hashim Thaçi after the meeting left Serbian Prime Minister Aleksandar Vučić fuming Wednesday morning — and even prompted a diplomatic but nonetheless clear reprimand from Mogherini. http://www.politico.eu/article/goodwill-short-lived-between-kosovo-and-serbia-after-eu-talks-hashim-thaci-aleksandar-vucic/