A New York University Russian Studies professor emeritus said the critical reaction to President Donald Trump's summit with Russian President Vladimir Putin is "like mob violence."

"I've never seen anything like it in my life," Professor Stephen Cohen said. "The reaction by most of the media, Democrats and anti-Trump people is like mob violence."

Earlier in the day, Trump drew bipartisan criticism for questioning the conclusion of U.S. intelligence that Russia hacked the DNC's emails in 2016, touting Putin's "strong" denial of the allegations just laid out by Mueller.

Cohen said it's been common since World War II for the U.S. president to meet with the leader of the Kremlin, "in order to avoid war between the two superpowers."

"Relation between the United States and Russia are more dangerous than they have ever been, including the Cuban Missile Crisis," Cohen said.

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He said he did not vote for Trump in 2016 but that he wanted the president to meet with Putin in hopes of "walking back conflicts that could lead to war."

Cohen called the criticisms a "kangaroo court" and that some people are "hunting Trump."

He said Russia has more in common with the United States than other rivals like China and Saudi Arabia.

Cohen noted Russia is largely Christian, is a "frontier country" and has many other similar attributes.

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