washington former cia director john brennan say tuesday notice contact associate donald trump presidential campaign russia 2016 election grow concern moscow seek lure americans treasonous path brennan head agency trump become president january also tell congressional hear personally warn head russia fsb security service phone call last august meddle election would hurt relations unite state separately top u.s. intelligence official dan coat sidestep question washington post report trump ask national security agency chief help knock notion evidence collusion coat say make clear trump administration political shape intelligence would inappropriate comment brennan coat director national intelligence add fuel controversy engulf trump since fire fbi director jam comey two weeks ago amid agency investigation possible collusion people associate presidential campaign russia encounter aware information intelligence reveal contact interactions russian officials u.s. persons involve trump campaign brennan say testimony house representatives intelligence committee brennan say say definitively actual collusion brennan testimony first public confirmation worry high level u.s. government last year suspicious contact trump campaign associate moscow also complete account date cia think time intelligence agencies put together evidence russia interfere heat u.s. presidential race help businessman trump republican defeat democratic party candidate hillary clinton comey head federal bureau investigation probe russian interference possible collusion trump campaign lead accusations trump critics seek curtail fbi inquiry another development trump retain marc kasowitz new york-based trial lawyer represent trump past private attorney special counsel robert mueller investigation russia matter fox business network reporter say twitter u.s. intelligence agencies conclude january moscow try tilt election campaign trump favor include hack email senior democrats russia repeatedly deny allegation trump deny collusion fbi congressional probe russia matter dog early months presidency clear everyone russia brazenly interfere 2016 presidential election process undertake activities despite strong protest explicit warn brennan say brennan say worry russians try recruit americans presidential campaign work moscow brennan say possible someone helpful russian cause without realize russians try suborn individuals try get individuals include u.s. persons act behalf either wittingly unwittingly say add individuals go treasonous path often realize late republican representative trey gowdy ask brennan see evidence collusion coordination conspiracy donald trump russian state actors saw information intelligence worthy investigation bureau fbi determine whether cooperation collusion take place brennan reply decline elaborate reuters report last week trump fire former national security adviser michael flynn advisers trump campaign contact russian officials others kremlin tie least 18 call email last seven months presidential race flynn force february fail disclose content talk sergei kislyak russia ambassador unite state mislead vice president mike pence conversations brennan say believe first u.s. official raise matter election interference russians cite aug. 2016 phone call head russia fsb alexander bortnikov say raise media report russian attempt meddle election bortnikov deny involvement moscow tell russia pursue course would destroy prospect improve u.s.-russia relations trump public approval rat drop new low reuters/ipsos poll data release tuesday 37 percent u.s. adults survey approve president 57 percent disapprove support trump appear drop among americans political strip senate arm service committee hear coat sidestep question washington post report trump ask coat admiral michael rogers director national security agency help knock notion evidence collusion coat deny trump make request coat say feel appropriate characterize discussions conversations president post report coat rogers decline request democratic senator richard blumenthal tell coat fact deny post report lead even intensive investigation allege effort president enlist shut stifle investigation evidence true go criminal intent constitute mount evidence obstruction justice blumenthal add leaders u.s. senate intelligence committee say subpoena two flynn businesses decline comply subpoena document panel russia probe ex-cia chief worry grow trump campaign contact russia