Have Trump’s Lies Wrecked Free Speech?

A debate has broken out over whether the once-sacrosanct constitutional protection of the First Amendment has become a threat to democracy.

In the closing days of his presidency, Donald Trump has demonstrated that he can make innumerable false claims and assertions that millions of Republican voters will believe and more than 150 Republican members of the House and Senate will embrace.

“The formation of public opinion is out of control because of the way the internet is forming groups and dispersing information freely,” Robert C. Post, a Yale law professor...