By ROD McGUIRK, Associated Press CANBERRA, Australia (AP) — The government agency that manages Australia's Great Barrier Reef has downgraded its outlook for the corals' condition from "poor" to "very poor" due to warming oceans. The Great Barrier Reef Marine Park Authority's condition report, which is updated every five years, is the latest bad news for the 345,400 square kilometer (133,360 square