Belgrade accuses physicians' group, top UN official By Julijana Mojsilovic, Reuters, 12/21/1999 BELGRADE - Yugoslavia accused Doctors Without Borders, the international aid agency awarded this year's Nobel Peace Prize, of ''legalized espionage'' yesterday and the chief UN administrator in Kosovo of ''mafia-style behavior.'' Doctors Without Borders reports ''in fact serve as a framework for a kind of legalized espionage activities in the countries where they are present,'' Goran Matic, federal information minister, said at a news conference. In the third public attack by Yugoslav authorities on Bernard Kouchner in less than a month, Matic reminded reporters of the UN administrator's ...