"You're in," the progressive Democratic congresswoman from New York posted to Twitter.
"That's what we hear from authoritarian regimes around the world. It's not what we hear from democracies," Katty Kay warned.
"There's no question that the members of Congress that @realDonaldTrump called out have absolutely said anti-American and anti-Semitic things," GOP congressman Ralph Abraham said.
The president fiercely defended his "go back" tweet on Monday, following widespread condemnation by Democrats, in a speech where he also falsely accused congresswoman Ilhan Omar of supporting al Qaeda.
Trump earlier in the day stated it "doesn't concern me" that white nationalists made find common cause in his racist tweets "because many people agree with me."
"As Jews, we're all too familiar with this kind of divisive prejudice," wrote Jonathan Greenblatt, the organization's CEO and national director.
"We all came here because this is not a country of blood and soil, which Trump thinks, it's a country built around a universal idea that out of many, we make one," Thomas Friedman said.
"They simply do not meet the standard definition of racist, a word so recklessly flung around these days that its actual meaning is being lost," Brit Hume argued.
"For the president of the United States, this country is for white people, period," MSNBC guest Professor Eddie Glaude Jr. said.
On Sunday, the hashtags #RacistInChief and #TrumpIsARacist began trending on Twitter after Trump urged four progressive Democrats to "go back" to where they came from.
Some Trump supporters "may not even see it as racist" because "they will take that line where it says, 'you can go back and fix it' and then 'come back,'" Salena Zito said.
"You are stoking white nationalism bc you are angry that people like us are serving in Congress and fighting against your hate-filled agenda," freshman Democratic congresswoman Ilhan Omar tweeted.
"Someone's feeling very comedic today," Fox News co-host Jedediah Bila quipped.
"You can't leave fast enough," President Donald Trump wrote on Twitter, referencing progressive Democratic congresswomen.
"You won't accept a nation that sees healthcare as a right or education as a #1 priority, especially where we're the ones fighting for it," she tweeted.
President Donald Trump told several American-born Democratic congresswomen to "go back" to their native countries.
The tit-for-tat between Omar and Carlson first emerged Tuesday evening after the Fox News host, speaking about immigration, suggested the sitting member of Congress should not have been allowed into the United States.
House Speaker Nancy Pelosi has clashed repeatedly with her Democratic colleagues in "The Squad": Alexandria Ocasio-Cortez, Ilhan Omar, Ayanna Pressley, and Rashida Tlaib.
The conservative host invited three separate guests onto his show "Tucker Carlson Tonight" on Wednesday to comment on Omar's past controversies after the freshman congresswoman publicly rebuked him earlier in the day.
"She's a living fire alarm, a warning to the rest of us that we better change our immigration system immediately, or else," Carlson said of the freshman Democrat.
"Tucker Carlson suggested – he didn't suggest, he flat out said – that a sitting member of the U.S. Congress should never have been allowed in the United States," CNN host John Berman said.
Fox News host Tucker Carlson accused of racism over segment attacking Rep. Ilhan Omar for allegedly hating America and being an ungrateful immigrant.
"Remember that time your boss tore babies from their mothers' arms and threw them in cages? Yeah take a seat and keep my name out of your lying mouth," Pressley tweeted.
"All these people have their public whatever and their Twitter world," Pelosi said, referring to the four freshman lawmakers. "But they didn't have any following. They're four people and that's how many votes they got."
Omar noted that Americans are still being jailed under harsh anti-drug laws, even though several states have already legalised recreational marijuana use.
"Jesus Strikes Back: Judgment Day" is a PC shooter that allows you to play as Trump, Hitler and the Christchurch Mosque gunman.
Alexandria Ocasio-Cortez condemned the targeting of Ilhan Omar, one of the first two female Muslim members of Congress, a day after protests against her in Times Square.
Omar, who spent several years growing up in a refugee camp, rose to become the first Somali-American lawmaker to be elected to Congress.
Austin, Texas, Mayor Steve Adler plans to attend an Iftar dinner with U.S. Representative Ilhan Omar, defying a call from a top Texas official that he stay home because of accusations of anti-Semitism against Omar.