Joe Lieberman: U.S. Prepared for Iran Strike Sen. Joe Lieberman said Sunday that the U.S. is prepared to deal with the Iranian nuclear crisis militarily - even if the war in Iraq continues to require a substantial American troop commitment. "We have the most powerful military in the history of the world," Lieberman told CBS's "Face the Nation." "We are capable, if necessary, of continuing to pursue our aims militarily in Iraq and Afghanistan and elsewhere and, if necessary, conduct a military attack on Iran." Lieberman said the he hoped an attack on Iran, if it should come, would be...