hashtag tfa, which now that i think about it, i'm embarrassed to tell you how often when i went through my text change from the white house, i saw the hashtag tfa, 25th amendment. when ever he did something to unhinged and when he would flip positions from one hour to the next. we hashtag it tfa and keep it moving. >> the first thing i've heard of hashtags being used in e-mail or text. we're looking at a week in which bob woodward's book is due to hit shelves. we know a lot of what is in that manuscript, you had her book hitting store shelves. your reaction. >> it's the first i've heard there was a hashtag used. i reached out to the white house to get some reaction. this isn't the kind of thing they would confirm and sarah