president trump unloading on the impeachment hearings and reports that a former fbi lawyer may have altered a document in the russia investigation. republican congressman michael waltz is here to talk about all of that, plus 2020 democratic hopeful senator michael bennet. what will he do if impeachment ends up in the senate? and airlines are telling parents to pay more if they want to sit with their own kids. is that fair? tyrus gives us his take. that's coming up today on "the daily briefing." >> harris: this has just happened. former national security advisor john bolton, whose name has repeatedly surfaced in the impeachment inquiry hearings as a witness to key events, has returned to twitter today following mysterious absence. today he said he was happy to be back and tease that he would have more to say. moments ago, during the last commercial break, here's what he said on twitter. "since resigning his national security advisor, the white house refused to return access to my personal twitter