and melinda craner, chief, political correspondent here in the studio. thanks so much. the latest diplomatic efforts to resolve the crisis in ukraine have so far failed to ease tensions. on saturday, the american and russian president spoke for an hour on the phone afterward. joe barden, warren, that russia will face what he called swift and severe caught if it invades ukraine . vladimir putin has dismissed us warnings as what he called hysteria. meanwhile, ukrainians have rallied to support their government, which is calling for calm, even as many foreign nationals leave the country. a shoe of unity and ukraine's capital. the brave faces here though belie growing fears about her rush, an attack on their country. what are we afraid? probably yes, i feel the anxiety inside me. others are already plotting their escape. if i will try to call you back then to prepare all documents and making plans for their children to with ukrainian forces training near the black sea. these are been warfare exercises, heads at the kind of unrest they are preparing for. president sa lensky,