>> sally yates, as gloria said was fired by president trump for being insubordinate. but she very much was a key figure and michael flynn's firing himself but she was the one, as gloria pointed out to say look, i looked at the transcripts and he could be subjected to blackmail by the russians and she's someone who wants to talk. she's been under radar. she's been laying low since being fired by president trump. and this is an opportunity to not only talk about the flynn situation but other issues related to the russia investigation. >> insubordination or just doing her job? you think her testimony is going to be a good thing but you have some concerns. why? >> i think probably the most compelling thing we're going to get out of her testimony will be