Prominent liberal writers, activists slam cancel culture, call for openness to opposing views.

On Tuesday, Harper's Magazine published a piece signed by roughly 150 liberal writers, professors, and activists voicing their concerns about the current state of public discourse.

AT LEAST 2 SIGNERS OF LIBERAL 'CANCEL CULTURE' OPEN LETTER BACK AWAY FROM IT .

"I signed the Harpers letter because there were lots of people who also signed the Harpers letter whose views I disagreed with.

Rowling and Gladwell, along with New York Times op-ed staff editor Bari Weiss, political activist Noam Chomsky, and feminist icon Gloria Steinem, were attached to the piece titled "A Letter on Justice and Open Debate" that was published Tuesday in Harper's Magazine.

CONSERVATIVES DEFEND VOX JOURNALIST AFTER HE'S PUBLICALLY SHAMED BY COLLEAGUE FOR SIGNING LETTER COMBATTING 'CANCEL CULTURE'.

"Our cultural institutions are facing a moment of trial," the letter begins. "Powerful protests for racial and social justice are leading to overdue demands for police reform, along with wider calls for greater equality and inclusion across our society, not least in higher education, journalism, philanthropy, and the arts!

"The free exchange of information and ideas, the lifeblood of a liberal society, is daily becoming more constricted," the letter explains. "While we have come to expect this on the radical right, censoriousness is also spreading more widely in our culture: an intolerance of opposing views, a vogue for public shaming and ostracism, and the tendency to dissolve complex policy issues in a blinding moral certainty