Can This Race Car Save Joe Biden’s Presidency?

On a bluebird day last summer at Portland International Raceway, a banner at the fan village proclaimed: “Progress Is Unstoppable.” Kids pedaled stationary bicycles that charged their phones. Families lounged on pink beanbags while upbeat electronic music thumped. At the hydration station, smiling attendants offered water in compostable cups and — wait a minute, compostable cups? Where were the red plastic cups sloshing Budweiser and the country music? And why weren’t my nostrils tingling with the sweet and poisonous aroma of engines burning benzene?

Just then a noise came from...