credit cards are going to continue working here. and joe, the european union has closed its airspace to russian aircraft. so people are not able to go visit family in other parts of europe. they are not able to go on vacation. so the people of russia are feeling cut off diplomatically, politically, financially at this point. and there's real fear that this country, which is a big economy, which is so integrated into the global economy is going to end up like iran or like north korea. essentially, cut off and behind the wall of sanctions. >> rest centers, reporting from moscow. thank you so much. let's go to ukraine and nbc news correspondent erin mclaughlin. just recap our things playing out this morning where you are? >> hi, joe, all eyes are on the city of kharkiv.