WASHINGTON (AFP) - The US State Department was tightlipped on the fate of former world chess champion Bobby Fischer, detained in Japan and wanted on a 12-year-old US warrant charging him with violating an international commercial embargo on the former Yugoslavia. "There's a limit to what I can say about the situation of Mr Fischer because of the Privacy Act," spokesman Richard Boucher told reporters. "We don't have permission in terms of a Privacy Act waiver to release any further information on Mr Fischer." The Privacy Act gives persons in custody the option, before they are formally charged, of having...