appears that 42 years of moammar gadhafi's dictatorship may be coming to an end as in right now. as in this evening former cbs evening news anchor dan rather will be with us this hour bit right now we to want go to richard engel, who's been covering the uprising from the very beginning and joining us from the central square in the libyan capital city of tripoli. the square has been a stronghold, geographic heart for gadhafi loyalists since the beginning of this revolution. what's the scene there tonight? >> reporter: good evening, rachel. you can probably hear celebrations are going on in green square. this is the square, the center of tripoli, the center of gadhafi gadhafi's cult of personality. this is a group of rebels following that car which has fighters inside. the rest are just people from the neighborhood who have come out into the streets, come out