so, you know, there were logan act-like concerns about that activity. and i think that more than anything drove the inquiry into flynn. >> frank, how -- i guess, how common would it be that someone that close to the president would be the subject of this concern? >> well, if, indeed, it's true, and we can't erase that redaction, black marker, and figure out what's under it. but if comey said yes -- >> well, some of them you can, apparently, actually, after yesterday. but that one we can't. >> yeah. but if, indeed, they had a fisa on the national security adviser, unprecedented, as is most of what we're talking about here. but there's something we also need to remember. we do know, and there's been reporting that the fbi was providing defensive briefings, as early as during the campaign, to senior campaign officials in the trump camp. and so what we don't know in terms of timeline is whether they had already had defensive briefings that may have even