Alva Review-Courier -

You can see a lot standing in the checkout line at Walmart.

Waiting patiently, your mind occupied while you run through your to-do list for the rest of the day, you are abruptly jolted back into reality by a preschooler. A four-year-old boy directly in line in front of you has decided he desperately needs a candy bar … now. His mom, baby in one arm and a basket of groceries hanging on the other, quietly explains to Tommy that the lack of sugar right then is not going ruin his life.

Telling him he can have a candy bar later she tries to engage him in a detailed conversation regarding why this w...