Washington (CNN) President Donald Trump still isn't buying that Russia interfered in the 2016 election.

Even as his intelligence chiefs unanimously told a Senate panel Tuesday that Russia meddled in 2016 and is planning to do so again in 2018, three sources familiar with the President's thinking say he remains unconvinced that Russia interfered in the presidential election.

While this issue is separate from the question of whether Trump campaign officials colluded with Russian officials, to Trump the issues are interwoven, the sources say. He views the notion that Russia meddled in the election as an argument that he had help to win, and that he didn't win the election on his own.

Trump's view contradicts his intelligence chiefs, including Director of National Intelligence Dan Coats, CIA Director Mike Pompeo and FBI Director Chris Wray, who all testified -- again -- on Tuesday that they supported the intelligence community's January 2017 assessment that Russia interfered in the 2016 election.

"There should be no doubt that Russia perceives its past efforts as successful and views the 2018 US midterm elections as a potential target for Russian influence operations," Coats said at the Senate Intelligence Committee hearing on worldwide threats.

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