expression. according to a special u.n. envoy to libya also at this news conference today, the negotiations are under way. the u.n. envoy saying he was in tripoli yesterday conveying these conditions to the regime, what was clearly not conveyed to the regime, according to this u.n. envoy, was the stated objective of the opposition, which again remains to be regime change. so there you had the highlighting of the discrepancy between the u.n.'s mandate, which is a cease-fire, an end to the killing, and a stated goal of the opposition, which is regime change, brooke. >> reza, i want to ask you about another town not terribly far from you, ajdabiya. we have heard reports today there are rebels digging these defensive berms around ajdabiya and they're moving around in units as opposed to just going up and down the coastal road there. does that indicate to you at all that they're perhaps getting a