Author Ta-Nehisi Coates on Friday night outlined a series of President TrumpDonald John TrumpMnuchin knocks Greta Thunberg's activism: Study economics and then 'come back' to us The Hill's Morning Report - House prosecutes Trump as 'lawless,' 'corrupt' What to watch for on Day 3 of Senate impeachment trial MORE's actions he said suggest the president "might be a white supremacist."

Coates argued during an appearance on MSNBC's "All In with Chris Hayes" that Trump's actions stood apart from other prominent Republican leaders.

"With George Bush's policies, I could make an argument for how they affect black people in a negative way. You know what I mean? But I wouldn't argue that he's a white supremacist. I wouldn't argue that Mitt Romney is a white supremacist," Coates said. 

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"Donald Trump is a particular, specific thing," he continued. "And I think there's quite a bit of evidence to back up the charge."

Coates rattled off a list of actions that he said suggest that the president might have racist tendencies, listing in particular Trump's past suggestion that former President Barack ObamaBarack Hussein ObamaObama marks MLK Day by honoring King for his 'poetic brilliance' and 'moral clarity' Biden breaks away from 2020 pack in South Carolina National Archives says it altered Trump signs, other messages in Women's March photo MORE was not born in the U.S. and his comment that a federal judge was not fit to preside over a case involving the now-defunct Trump University because of his Mexican heritage.

"I'm willing to have that debate," Coates said on whether the moves indicated white supremacy.

Coates had called Trump "the first white president" in his latest essay for The Atlantic.

"It is often said that Trump has no real ideology, which is not true—his ideology is white supremacy, in all its truculent and sanctimonious power," he wrote.

The debate over racism swirled this week when ESPN anchor Jemele Hill lashed out at Trump on Twitter, calling him a "white supremacist" and attributing his rise to the Oval Office to white supremacy.

The White House slammed the ESPN host for days over the remark, calling for her to be fired and ripping into the sports network for being "hypocritical" in its treatment of conservative and liberal employees. 

Trump himself blasted the network in a tweet early Friday, going after its support base and saying it should "apologize for untruth."

The controversy this week came after Trump was roundly criticized for his equivocating response to violence that erupted after white nationalists and counterprotesters clashed in Charlottesville, Va., last month. 

The White House has forcefully denied accusations that Trump equated the two groups and on Thursday Trump signed a resolution condemning white supremacy.