Why did the sun umbrella stop being fashionable in America?

Many of us apply sunscreen when we go to the beach. But walking outside under the fierce summer sun—even if it’s to run a quick errand—can be taxing: We sweat, we get exhausted, we burn, and we expose ourselves to dangerous UV rays. In Asian countries, many people have a convenient tool at their disposal: They’ll often use umbrellas to shield them from the sun’s powerful rays. In the U.S., even though most people own an umbrella to keep them dry when it’s raining, almost no one...