By ANTHONY DEUTSCH, Associated Press Writer THE HAGUE, Netherlands (AP) - A U.N. war crimes tribunal has rejected as unfounded the refusal by an American journalist to testify about an interview with a suspected war criminal that was published in The Washington Post newspaper. The decision announced late Monday could set a precedent for journalists called to testify before international courts. It is the first time a journalist objected to giving evidence at the Yugoslav tribunal, established in 1993 by the United Nations ( news - web sites) to try Balkan war crimes suspects. A panel of three U.N. judges...