SYDNEY — Former chief UN weapons inspector Hans Blix, here to receive the Sydney Peace Prize, believes the US plans to stay long in Iraq to guarantee the flow of oil supplies and to keep a close eye on neighboring Iran."One fear I would have is that the US has a hidden thought to remain in Iraq," Blix told the Australian radio."One reason why they wanted in was that they felt they must leave Saudi Arabia. After the Gulf War in 1991, they left their troops in Saudi Arabia to protect pipelines,". "And when they felt they could no longer...