Lieberman: Iran Needs 'Regime Change,' Bush 'Stonewalling' 9/11 Probe Presidential candidate Senator Joseph Lieberman, D-Conn., said Sunday that the U.S. should back a policy of "regime change" in Iran by working to support dissident elements in that country. And he also accused the Bush administration of "stonewalling" a probe by the Independent Commission on 9/11 into intelligence failures before the attacks on the World Trade Center and Pentagon. Asked if he thought Iran was "ripe for regime change," Lieberman told "Fox News Sunday," "Yes." "I think it would be in the interest of the world and, most particularly, of the...