Michelle Goldberg has been an Opinion columnist since 2017. She is the author of several books about politics, religion and women’s rights and was part of a team that won a Pulitzer Prize for public service in 2018 for reporting on workplace sexual harassment.

Has the Cannes Film Festival developed an unexpected taste for human flesh? There were no flesh-eating ghouls wandering the Croisette as this year’s festival kicked off on Tuesday, of course, unless you’re speaking metaphorically. But for the second ...