Meghan McCain slammed President TrumpDonald John TrumpTrump rallies in Nevada amid Supreme Court flurry: 'We're gonna get Brett' Trump: 'Good news' that Obama is campaigning again Trump boosts Heller, hammers 'Wacky Jacky' opponent in Nevada MORE on Tuesday for his "buddy-buddy" meeting with North Korean leader Kim Jong Un, whom she denounced as a "dictator."

The cohost of ABC’s “The View” and daughter of Sen. John McCainJohn Sidney McCainArizona race becomes Senate GOP’s ‘firewall’ Trump administration weakens methane pollution standards for drilling on public lands Another recession could hit US in 2019, says credit union association chief MORE (R-Ariz.) said that, though she was initially on board with the summit, she was disturbed by the symbolism of both nations’ flags flying together in Singapore. 

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“This is a totalitarian communist dictator in the same vein as Hitler — murder, enslavement, imprisonment, sexual violence, starvation, forced abortions, political, racial, religious persecution,” McCain said.

“We are not the same,” she continued. “[Kim’s North Korea] is completely and utterly the closest thing to Hitler’s Germany that exists in modern time. My problem was how far it went with the buddy-buddy, and there was no talk whatsoever of the human rights violations going on in that country.”

Trump received loud criticism following the display of American and North Korean flags flying together at the summit. 

Ex-CIA chief of staff Jeremy Bash said it was "disgusting" to see the U.S. flag alongside that from the "despotic regime" of Pyongyang.

"A summit is not an accomplishment for the American president," Bash told MSNBC Monday night. 

"It is a major accomplishment for Kim Jong Un. In fact, the spectacle of seeing the American flags along with the [North Korean] flags as the backdrop for that handshake is really jarring, actually, to see, to witness. In fact, I would say it's somewhat disgusting. It is actually a debasement of the American flag," he continued. 

Wendy Sherman, a former top diplomatic official for the Obama administration, said on Tuesday that the president granted the North Korean leader more power than he deserved by flying both flags side-by-side. 

"I was a little taken aback by the North Korean flags and the American flags side by side. ... We aren't equals to each other," Sherman said. "This conferred power to Kim Jong Un that I don't think he has yet earned." 

Conservative writer Erick Erickson said that flying the "North Korean flags at equal display with the American flag" gave "communist monster" Kim "a propaganda win."

Trump has also been criticized for offering concrete concessions to Pyongyang — including a halt to joint military exercises with South Korea while the talks are ongoing.

Trump and Kim's historic meeting marks the first-ever summit between a sitting U.S. president and a North Korean leader. 

At the summit, both leaders signed an agreement committing the U.S. to unspecified “security guarantees” in exchange for a denuclearized Korean Peninsula, and Trump said both were ready "to write a new chapter" between the nations.