could sweep through ukraine maybe in a couple of weeks. but now we're a week in, and they've taken just one major city. clearly this is not playing out as putin had planned. what are the problems here? what does he do next? >> yeah. well, the military may have planned -- the russian military may have planned to come in there and finish it in a week or two, but they didn't count on the warm weather north of kyiv. that land up there is not frozen, and so the russians have been road bound. this was their main objective. they wanted to sweep into kyiv, take it, and install a puppet government, and they just haven't been able to get there. they've also discovered that the ukrainians are pretty good fighters. they're, in fact, brilliant against an overwhelming force. and so the russians have had very, very tough going north of kyiv in large part because of fierce resistance but also because of the trafficability of the ground. it's been different elsewhere in the country not because the ukrainians haven't harder, but