Lawyer and frequent Trump critic George Conway George Thomas ConwayGeorge and Kellyanne Conway honor Ginsburg Lincoln Project releases new ad blasting Trump as 'a horrible role model' George Conway hits Trump on 9/11 anniversary: 'The greatest threat to the safety and security of Americans' MORE, husband of White House counselor Kellyanne Conway Kellyanne Elizabeth ConwaySpecial counsel investigating DeVos for potential Hatch Act violation: report George and Kellyanne Conway honor Ginsburg Trump carries on with rally, unaware of Ginsburg's death MORE, appeared Wednesday on MSNBC ahead of the first public impeachment hearings.

Conway's coverage on MSNBC is particularly noteworthy because, while he has written multiple op-eds for The Washington Post and is active on Twitter, he has not appeared on television in any commentating capacity since President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE took office in January 2017.

Conway said Wednesday that Trump was using his power to help himself instead of the country.

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"The problem with Donald Trump is, he always sees himself first. Trump is all about Trump," the conservative lawyer said."That's what this is all about. He was using the power of the presidency in its most unchecked area, foreign affairs, to advance his own personal interest as opposed to the country's."

He also criticized Republicans for defending Trump.

"Take that Republican hat off and look at it neutrally," he said. "Look at what you would have done if Donald Trump were a Democrat. Would you be making these ridiculous arguments about process?"

"If Barack Obama Barack Hussein ObamaDemocrats ramp up pressure on Lieberman to drop out of Georgia Senate race The Hill's Campaign Report: Biden on Trump: 'He'll leave' l GOP laywers brush off Trump's election remarks l Obama's endorsements Trump pledges to make Juneteenth a federal holiday, designate KKK a terrorist group in pitch to Black voters MORE had done this, they'd be out for blood, and they'd be right," he added.

Conway also addressed the infrequency of his TV appearances.

"I don't, frankly, want to be on television. But I just don't get why people can't see this and why people are refusing to see this. It's appalling to me," he said.

MSNBC host Nicolle Wallace said that Conway would "be with us throughout the day."

Appearing for public testimony in the impeachment hearing Wednesday are William Taylor, the top U.S. diplomat in Ukraine, and George Kent, deputy assistant secretary in the European and Eurasian Bureau at the State Department.

The House launched an impeachment inquiry into Trump in September over his dealings with Ukraine. Republicans have complained about the process, including the closed-door nature of some past hearings.

Conway recently tweeted that he believes a tweet by Trump's attorney Rudy Giuliani Rudy GiulianiThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting CIA found Putin 'probably directing' campaign against Biden: report Democrats fear Russia interference could spoil bid to retake Senate MORE confirms that Trump "committed an impeachable offense."

"To say that Giuliani’s and Trump’s pursuit of 'Ukrainian ... corruption' was 'done solely' to protect Trump’s interests establishes that Trump was not acting for the country," he wrote last week.

Joe Concha contributed.