washington/new york series tweet u.s. president donald trump investigation contact 2016 campaign russia prompt concern sunday among democratic republican lawmakers republican senator lindsey graham say trump could wad peril comment probe would say president ongoing criminal investigation graham say cbs program face nation tweet comment regard ongoing criminal investigations peril add sunday morning trump write twitter never ask former fbi director jam comey stop investigate michael flynn president former national security adviser statement odds account comey give tweet follow one saturday trump say fire general flynn lie vice president mike pence fbi legal experts democratic lawmakers say trump know flynn lie federal bureau investigation pressure comey investigate could bolster charge obstruction justice trump attorney john dowd tell reuters interview sunday draft saturday tweet make mistake compose mistake put lie fbi separate line reference plea dowd say instead put together make guy go crazy tweet shorthand dowd say first time president know fact flynn lie fbi charge dowd also cloud issue say then-acting u.s. attorney general sally yates inform white house counsel mcgahn january flynn tell fbi agents thing tell pence mcgahn report conversation yates trump say yates characterize flynn conduct legal violation part yates testimony may senate committee appear conflict dowd account say time decline answer mcgahn ask flynn do fbi interview dowd say stand version events dowd say first last time would craft tweet president take responsibility say sorry mislead people yates respond email seek comment lawyer mcgahn respond request comment white house also immediately respond request comment series tweet come dramatic turn events friday flynn plead guilty lie fbi conversations last december russia then-ambassador washington sergei kislyak weeks trump enter white house flynn also agree cooperate prosecutors delve contact trump inner circle russia president take office senator dianne feinstein top democrat senate judiciary committee say believe indictments investigation far trump continual tweet point toward obstruction justice case see importantly happen fire director comey belief directly agree lift cloud russia investigation obstruction justice feinstein say nbc meet press president know flynn lie fbi mean talk fbi director ask effectively drop case know flynn commit federal crime adam schiff senior democrat house permanent select committee intelligence tell abc program week russia matter dog trump first year office weekend overshadow first big legislative win senate approve tax bill flynn first member trump administration plead guilty crime uncover special counsel robert mueller investigation russian attempt influence 2016 u.s. election potential collusion trump aid russia deny meddle election trump say collusion comey investigate russia allegations fire trump may tell u.s. senate intelligence committee june believe dismissal relate russia probe say trump ask end investigation flynn never ask comey stop investigate flynn fake news cover another comey lie trump say twitter sunday cbs graham criticize comey say believe former fbi director make wrong decisions tenure graham also say trump careful tweet careful mr. president watch graham say trump tweet russia probe spark warn lawmakers