Sen. John McCain John Sidney McCainMomentum growing among Republicans for Supreme Court vote before Election Day McConnell urges GOP senators to 'keep your powder dry' on Supreme Court vacancy McSally says current Senate should vote on Trump nominee MORE (R-Ariz.) bemoaned the continuous slew of revelations surrounding alleged ties between President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE's campaign and Russian election meddling on Wednesday, saying it was “sucking the oxygen out of the room.”

"It's sucking the oxygen out of the room, everybody knows that," the veteran senator told CNN.

"I think it's very difficult when you have this overwhelming barrage of new information that unfolds every few days. I think it's obvious,” he continued.

McCain has proved to be one of the most hawkish senators toward Russia.

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However, his comments come as Senate Republican leadership struggles to unify its conference in order to pass an ObamaCare repeal-and-replace bill.

Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE (R-Ky.) has gone so far as to keep senators in session during the first two weeks of the August recess.

Healthcare was kicked out of the media limelight on Saturday when The New York Times reported that Donald Trump Jr. arranged a meeting with a Russian lawyer at Trump Tower during the presidential campaign, along with Jared Kushner and President Trump’s then-campaign chairman, Paul Manafort.

The lawyer had promised Trump Jr. damaging information on Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE.

The president’s eldest son released a chain of emails on Tuesday, in which one message from the intermediary setting up the meeting says the information “would incriminate Hillary and her dealings with Russia and would be very useful to your father."