>> many democrats believe carter moved too far to the center and he abandoned the traditional ideal of the parts of the party. >> jimmy carter and kennedy became the polar opposites within the party and jimmy carter on top of that had a feeling that the kennedys felt that they were above we southerners. >> it's a nasty contest. when some one asks jimmy carter in passing what you think of being challenged by ted kennedy, jimmy carter says "i'll whip his ass." this is a special report from cbs news. >> the 174th day of the iran crisis brought a startling and tragic turn of events. the united states mounted a military operation into iran last night to rescue the american hostages. but it failed. >> eight helicopters took off from the deck of the aircraft carrier "nimitz." the eight helicopters headed to a desert staging area 200 miles southeast of tehran. >> two of the helicopters experienced problems en route.