Grocery stores, considered essential businesses under stay-at-home orders, continue to operate during the coronavirus pandemic. Many people are making weekly trips to stores like Publix to stock up on meat, milk, bread, and other essentials -- provided they can find them. Unfortunately, some of the grocery stores have experienced jarring incidents of contamination. I'm not talking about people contracting the coronavirus, but contaminating produce and other items by licking or coughing on them! I kid you not.  Really, what the heck has gotten into people? Take Jennifer Walker, who was arrested at a California grocery store close to the Nevada border after licking $1,800 worth of merchandise. She placed several pieces of jewelry from the store on her hands and licked them, before loading her shopping cart containing other store items. The store deemed all of the items in her cart unsellable because of cross-contamination. Last month, an unnamed woman was arrested and...