jon: violent protests again today across the middle east, in bahrain, security forces firing live ammunition on protestors today, hospital officials reporting at least 20 people were injured. the crowds again are demanding the ouster of the mon - monarchy that rules this persian gulf nation, bahrain a key u.s. ally, home to the u.s. navy s fifth fleet. more violence rocking the eastern cities of libya, increasing pressure there on libyan leader mommar gadavi to step down, tens of thousands clashing in yemen as well, both pro and antigovernment demonstrators are fighting for the eighth straight day. as we reported, in egypt, hundreds of thousands of people filled tahir tahrir square in kay re. but here, they are celebrating. david lee miller joins us live from cairo with an update. reporter: jon, it is a massive celebration that began early today and