Five things you need to know today, and a mystery of the heart

Good morning, Cincinnati! Here are the five things you need to know to start your busy business day. The largest union representing grocery and food workers took Kroger Co. and other supermarket operators to task Tuesday for not paying hazard pay or adequately helping their frontline employees get the coronavirus vaccine, Steve Watkins reports. “Kroger outbreaks have been especially alarming to us because they’re our largest employer,” Marc Perrone, president of the United Food and Commercial…