margaret: the u.s. announces $400 million in additional military aid, sending ammunition and artillery rounds to ukraine, as russian troops advance. the fighting is only intensifying, with the town of bakhmut now nearly all under russia s control. margaret: residents in ohio demand answers after that toxic train derailment. i am begging you, by the grace of god, please get our people out of here. yes! you are everything this medal means. you are everything our nation is at our best. margaret: and a vietnam war hero receives the medal of honor after nearly six decades. [applause] good evening, and thank you for joining us. i am margaret brennan in for norah. tonight, it is friday, so we go on the road with a story about love taking flight. plus, we continue our series on being retirement ready, with the growing trend of multigenerational housing. w will show you why millions of seniors are moving back in with their children. but first, that breaking n