The 79th Cannes Film Festival draws to a close Saturday with the presentation of one of cinema’s highest honors, the Palme d’Or. This year, the race may be wide open. By wide consensus, it hasn’t been a banner festival. Hollywood largely sat out this year’s edition. Many of the selections struggled to bowl over critics. The global buzz that Cannes typically generates was fitful at best. But the lack of a clear front-runner should give the nine-member jury, headed by Korean filmmaker a...