they will not settle for that. they do not want to see libya split. they want to go all the way to tripoli. they want to remove gadhafi from power, because they'll tell you, this is not just about eastern libya. it's about all of the other areas that are also trying to rise up against gadhafi. they're not going to, by everything that they've been saying, back down from that. but there is the realization that's sinking in that this is not going to be an easy charge forward. >> a significant day on the battle field. arwa damon, thanks. let's underscore again that very important reporting from arwa dayman on the front lines. yesterday, green towns held by the opposition, red by the regime. this is just yesterday. the opposition was on the march, heading this way, making progress, heading to the west. this is today. you see the regime gains here, coming this way. the opposition retreating as arwa damon told you. very significant change in strategy, and the fighting not limited to here in the east. the regime is making progress, taking back opposition strongholds over here, also making some progress, heavy