so the biden administration has doubled down on the idea that america is still capable and willing and able to lead in a 21st century kind of challenge like this. the test is going to be, a, can he keep it together? putin is a very experienced adversary and it seems that he's calibrating many of his moves to maximize the potential for disagreement among the allies. so i think that's going to be a huge challenge for the u.s. is keeping its coalition together over what could be a very, very long run challenge. >> yeah, look, what's clear is there is so much at stake and susan and john, i really appreciate you both being on to kind of distill that down for us. appreciate it. vladimir putin is ordering troops into eastern ukraine. we are going to have the latest from inside the country, also from russia next. and the college coach paying the price for sparking a brawl on the court. >> took a time-out that got us a new ten seconds. ♪