The credits were rolling, Spike Lee's latest offering to cinema, the Cannes Film Festival sensation "BlacKkKlansman," was concluding in a Midwestern premiere.
A man seated next to him leaned over to Mr. Lee's co-writer Kevin Willmott with a confession, followed by a denial.
"I voted for Donald Trump," he said.
There was a pause, as others within earshot at the small private screening waited to hear what the man might say next.
"I'm not like that," he began to insist.
Mr. Willmott, in recalling the moment in an interview, said he held back from making a soothing comment to release the man from the tension of that moment. He wanted...