GENEVA (Reuters) -Russia failed in its bid to return to the United Nations' top human rights body on Tuesday, with rivals winning considerably more votes at the General Assembly in an election seen as a key test of Western efforts to keep Moscow isolated. In the secret ballot, Russia won 83 votes versus 160 for Bulgaria and 123 for Albania, which had competed against it in the same eastern Europe grouping for two seats on the Geneva-based Human Rights Council for a three-year term beginning on J