Several Egyptian scientists were involved in a series of nuclear experiments at home and abroad over the past three decades, but there is no evidence that the Arab nation has a nuclear weapons program, according to diplomats familiar with the findings of U.N. nuclear inspectors. Egypt is not under special investigation, the sources said, although inspectors from the International Atomic Energy Agency are awaiting the results of tests on several environmental samples taken during recent visits to government-run nuclear facilities around Cairo.Full Story