started a new search to find more than 14,000 people who are still missing. more than 100 u.s. troops will be helping them. former egyptian president hosni mubarak broke his two-month silence today, denying charges that he's corrupt and warning his critics to back off. also in egypt, mubarak's former prime minister was detained today. officials in cairo say akmed na zeef was questioned about possible financial corruption. he'll be held for 15 days. libyan rebels have reportedly scored a rare victory after holding off moammar gadhafi's better-equipped forces. they appear to have recaptured ajdabiya. witnesses say three gadhafi soldiers killed during the fighting were carrying identification cards from other countries. elsewhere in libya, progadhafi forces shelled misratah today. we go on a tour. >> misratah is a city under