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By J.R. Moehringer

Mr. Moehringer is a Pulitzer Prize-winning journalist who writes frequently about sports.

I interviewed Henry Aaron right after the cops arrested his fellow Milwaukeean, Jeffrey Dahmer, and that was all Hammerin’ Hank wanted to talk about. Not because Dahmer used a hammer on some of his victims, but because Aaron believed that America’s most notorious serial killer would have turned out perfectly normal if only he’d played Little League as a boy.