No matter how old we are, the discomfort of learning to do basic dance steps with strangers is one way to become a kinder person. Especially to your spouse, writes Molly M. Schpero.

There’s certainly a place for the familiarity the vice president has invited into her campaign that reaches voters across generations, writes Laura Hertzfeld. But we can and should move to the formal when we’re talking about Kamala Harris and her campaign in our workplaces, in our newsrooms and even at...