CNN political commentator David Axelrod voiced concerns Wednesday that President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE may enter into an agreement with North Korea that may not be in the best interests of the U.S. "in order to overshadow" his former attorney Michael Cohen's testimony on Capitol Hill.

Axelrod, a former senior adviser to former President Obama, made the comments as Trump was in Vietnam for his second summit with North Korean leader Kim Jong Un. Meanwhile, in Washington, Cohen, the president's former lawyer and "fixer," was slated to testify before the House Oversight and Reform Committee to accuse the president of being a "conman" and "racist," according to a copy of his prepared remarks obtained by The Hill.

"You have to say, this is a classic Trump’s era split-screen story. The president with this meeting with the dictator of North Korea and his former fixer is testifying before Congress calling him a racist and a cheat and a conman," Axelrod observed while joining Wolf Blitzer in previewing Cohen's testimony on CNN.

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"There is no doubt that this story is stepping on that story. I think what ... people should be a little concerned about is if the president feels the need to come up with something spectacular out of this meeting, something that he can tout as a historical agreement in order to overshadow what we are going here on Capitol Hill today," the "Axe Files" host said.

"We should know those discussions with Kim Jong Un are, in the long-term, more important in many ways of what we are seeing on Capitol Hill today," he added. "If [Trump] enters into an agreement that his national security advisers don’t believe that’s of the interest of the country, that’s a long-term implication of national security of all of our people and our allies in the region. It is a concerning thing. His mindset is a concerning thing."

Cohen is also expected on Wednesday to allege that then-candidate Trump had advance knowledge that his informal campaign adviser, Roger Stone Roger Jason StoneThe agony of justice Our Constitution is under attack by Attorney General William Barr Justice IG investigating Stone sentencing: report MORE, coordinated with WikiLeaks to slowly dump a trove of emails hacked from the Democratic National Committee (DNC) leading up to the 2016 election.

Trump said Wednesday in exchanging handshakes with Kim in Hanoi, Vietnam, that he thought "the first summit was a great success and I think this one, hopefully, will be equal or greater than the first."

When Trump was asked if he would enter into a formal declaration to end to the Korean War, Trump responded, "We will see."