the russian authorities brush aside western criticism. they claim not to care about sanctions. but this country is facing growing international isolation over the ukraine crisis. for now, that is a consequence moscow seems willing to accept. and the russian people? geopolitical tension is fuelling fear of conflict. "we should be worried that all of this could spin out of control," pavel says. "it's very serious." "of course i'm nervous," says this woman. "we have sons, husbands. i don't want there to be war." russians are hoping that those leaders who take the decisions will take the right ones. steve rosenberg, bbc news, moscow. 0ur chief international correspondent lyse doucet, is in the capital kyiv and she's been reflecting on the events of the past 2a hours. this crisis in ukraine has