. >> witnesses say when the taliban fled kabul they took with them americans heather mercer and dayna curry other western aid workers. >> it was a very chaotic no-mans land and the hostages, we think, were still at grave risk. >> they were completely lost to our sight. we had no idea at that point where they might be. (vo) it's the holidays at verizon, and the best deals are on the best network. (both) yes! (vo) with no surprise overages, you can use your data worry free and even carry over the data you don't use. and right now get four lines and 20 gigs for only $40 per line. and, just for the holidays, get a samsung galaxy s7 edge for only $15 per month. no trade-in required. i love you in that, no, i love you in that. no, i love you in that! (vo) hurry, these offers end soon. get the best deals and the best network, only on verizon. that's a good thing, eligible for medicare? but it doesn't cover everything. only about 80% of your part b medical expenses. the rest is up to you. so consider an aarp medicare supplement insurance plan, insured by unitedhealthcare insurance company. like all