needs any type of grief counseling, we're going to be there for them. >> and i understand that after this interview, you're about to go and donate blood, that people have been lining up to donate blood? senator, i'm so sorry, i apologize. i think we lost our audio connection, but i do know from her schedulers that she is about to go donate blood, and that's just one of the things people are doing there as that community comes together, obviously in grief and also in resolve to not let this happen again. coming up, open question. the senate intelligence chiefs confirm that they have not determined whether the trump campaign colluded with russia. and what about that dossier? the top democrat on the house intel committee, adam schiff, joins me next. you're watching "andrea mitchell reports" on msnbc. ♪ (music plays throughout) ♪ ♪ ♪ ♪ ♪