<p>A key Iraqi scientist recently told the CIA that high-strength aluminum tubes bought by Baghdad weren't meant for nuclear bomb production, as President Bush suggested in his State of the Union address, two experts on Iraq's nuclear program say.</p>
<p>Mahdi Shukur Obeidi, who headed a uranium-enrichment unit vital to Iraq's pre-1991 bomb plans, "also said that since '91 they hadn't resurrected a nuclear weapon program," according to ex-Iraq inspector David Albright, an American physicist who acted as go-between for Obeidi to talk to U.S. authorities a few weeks ago.</p>