GOP strategist Steve Schmidt said Tuesday that 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's "only affinity for reading anything were the Adolf Hitler speeches he kept on his nightstand" during an appearance on "Morning Joe."

Schmidt, Sen. John McCain John Sidney McCainCrenshaw looms large as Democrats look to flip Texas House seat Analysis: Biden victory, Democratic sweep would bring biggest boost to economy The Memo: Trump's strengths complicate election picture MORE's (R-Ariz.) presidential campaign manager in 2008, also said Trump's victory over Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonBloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close Trump pledges to make Juneteenth a federal holiday, designate KKK a terrorist group in pitch to Black voters MORE was a fluke.

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"So in the 240th year of the independence of the United States, in three states by 78,000 votes, the American people by a fluke elected an imbecilic former reality TV show host and con man whose only affinity for reading anything were the Adolf Hitler speeches he kept on his night stand," Schmidt told co-hosts Joe Scarborough and Mika Brzezinski.

Schmidt, a regular on the show, has been prolific in making headlines with critical remarks about Trump.

On Tuesday, he argued the country was in decline because of the president.

"America’s decline is now beginning and we should make no mistake about this. The U.S.-led liberal global order is in peril. It’s in threat," he said. "Will he take us out of the World Trade Organization? Will he undermine the international system that Franklin Roosevelt conceived, that Harry Truman built, that was sustained through Ronald Reagan and 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? It’s anyone’s guess, but the idea that tomorrow will be OK because yesterday was or last year was is a naive view of the world."

The commentary comes one week after the MSNBC political analyst announced he was leaving the Republican Party.

Schmidt is the second member of the "Morning Joe" team to leave the GOP. In July 2017, Scarborough, a former Republican congressman, announced he was becoming an independent on Stephen Colbert's late-night show on CBS, citing Trump as the primary reason.

Schmidt, one of the president's staunchest critics at MSNBC, also slammed Melania Trump Melania TrumpWatchdog confirms State Dept. canceled award for journalist who criticized Trump Ginsburg becomes the first woman to lie in state in the Capitol Rabbi memorializes Ginsburg: Her dissents were 'blueprints for the future' MORE on Monday, calling the first lady "a con artist" after she said “kindness, compassion and positivity are very important traits in life" during a speech at the Students Against Destructive Decisions' annual conference in Tyson's Corner, Va.