and like austen, they can be the kids next door. >> what a terrible feeling that is to feel like at 14, 15, 16, 17, you know that your life is over. that no one's ever going to see you the way you want to be seen. >> reporter: for a problem that is not going away, around the country tonight, there are signs like these, designed to help victims out of the shadows and put the traffickers that lured them there behind bars. clayton sandell, abc news, denver. >>> in international news today, the u.s. hurled a tough, new warning at russia. saying a military intervention by russia in ukraine, would be a, quote, grave mistake. secretary of state john kerry urging restraint. saying, quote, this is not "rocky iv." the tough talk as russia flexed its military might today. russian president vladimir putin ordering his troops to conduct military exercises on ukraine's doorstep. >>> and from russia, next to china, tonight in the grip of an epic dome of smog. the air pollution so dire, someone said it's like a respiratory nuclear winter. abc's bob woodruff is on the ground. and he showed us how hard