George Conway argues impeachment effort doesn't need a 'smoking gun'
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Conservative lawyer George ConwayGeorge Thomas ConwayDemocrats sharpen case on second day of arguments Trump: Obama administration withheld foreign aid too 'Emotion' from Trump's legal team wins presidential plaudits MORE argued Monday that House Democrats do not need to uncover a so-called smoking gun in their impeachment hearings over President TrumpDonald John TrumpTrump says his advice to impeachment defense team is 'just be honest' Trump expands tariffs on steel and aluminum imports CNN's Axelrod says impeachment didn't come up until 80 minutes into focus group MORE's dealings with Ukraine in order to decide if he should be removed from office.

In a tweet, Conway argued that to build a successful case for impeachment in the House that would proceed to a trial in the Senate, Democrats merely needed to uncover evidence pointing to an abuse of power by the president, which he said is already available.

Conway, whose wife Kellyanne ConwayKellyanne Elizabeth ConwayKellyanne Conway knocks Biden, talks up Sanders in Wash Post op-ed Democrats sharpen case on second day of arguments 'Emotion' from Trump's legal team wins presidential plaudits MORE serves as Trump's White House counselor, is a vocal critic of the president and has publicly urged his removal through impeachment or other means.

House Democrats have sought to prove that Trump withheld aid to Ukraine over his requests for investigations into former Vice President Joe BidenJoe BidenSchiff closes Democrats' impeachment arguments with emotional appeal to remove Trump Conservative reporter on Sanders: He's not a 'yes man' Democrats feel political momentum swinging to them on impeachment MORE (D) and his son Hunter Biden, which they argue amounted to a solicitation for foreign assistance in the 2020 election.