russian-backed rebels in the east of the country, laura. >> matthew chance in ukraine, thank you for bringing us what we need to know. i appreciate it. i'm joined now by two men who know the players and have lived the reality between russia and ukraine, former u.s. ambassador to ukraine, william taylor, and former senior defense attache to the russian federation, retired brigadier general. gentlemen, i'm glad both of you are here tonight. there's so much to unpack. and again there's a lot of uncertainty a lot of things developing. it's hard to fit in everything we need to know within the confines of that uncertainty. you were there at the time in 2014 where there was the initial invasion. tell me a little bit about what you're seeing now in terms of the comparisons. should there be the same level of heightened awareness from the u.s.'s part? >> good evening, laura, to you and your listeners, viewing audience. 2014 was, in the beginning, very