Hundreds of Hollywood and Broadway stars are urging Americans to defend free speech following Jimmy Kimmel's suspension. The American Civil Liberties Union released an open letter Monday, signed by over 430 celebrities, calling it a "dark moment for freedom of speech." ABC suspended Kimmel’s show after his comments about conservative activist Charlie Kirk. The move sparked a debate over free speech. The letter emphasizes that voices should not be silenced by those in power. Signatories include Robert De Niro, Ben Affleck, Jennifer Aniston, and Meryl Streep, among others. They encourage all Americans to join the fight.

Eight months into his second term, President Donald Trump’s long-standing pledge to take on those he perceives as his political enemies has prompted debates over free speech, media censorship and political prosecutions. From late-night comedian Jimmy Kimmel’s ouster to Pentagon restrictions on reporters and an apparent public appeal to Attorney General Pam Bondi to pursue legal cases against his adversaries, Trump has escalated moves to consolidate power in his second administration and root out those who have spoken out against him. In a post on social media this weekend addressed to Bondi, Trump said “nothing is being done” on investigations into some of his foes.

In all the stunning things about ABC’s swift removal of Jimmy Kimmel, its longtime late-night host and Oscars-hosting face of the network, perhaps the least surprising was that a comedian was again at the center of a battle over free speech. As long as jokes have been told, comedians have drawn the ire of the powerful. That has often put comedians on the front lines of free-speech battles, from George Carlin violating obscenity laws to satirical puppet shows trying to exist in Vladimir Putin’s Russia. In authoritarian regimes, crackdowns on speech usually make comedy a target.

ABC’s suspension of Jimmy Kimmel’s show following comments he made about the killing of Charlie Kirk has set off a flood of reactions. President Donald Trump, who is often a target of Kimmel's jokes, applauded the move in a social media post. He also called on NBC to follow suit with late-night hosts Jimmy Fallon and Seth Myers. Stephen Colbert, whose CBS show wasn't renewed after he criticized a settlement between the network's parent company and the Trump administration, read aloud about Kimmel's suspension after getting the news while taping an episode of his show. Comedians Mike Birbiglia and Wanda Sykes blasted the suspension in social media posts, while conservative radio hosts Megyn Kelly and Mark R. Levin applauded it.