When a very long year of doing business from home—in sweatshirts and pajamas and slippers—is over, how much effort will people be willing to expend on dressing for the office? Richard Thompson Ford, a law professor and the author of “Dress Codes: How the Laws of Fashion Made History,” tackles that question along with the New Yorker editor Henry Finder. Clothing, he says, has mostly been used to maintain social hierarchies, but it has also occasionally helped to overthrow them. Dressing up, he says, can be a form of transgression: historically, in Black communities, refined dress has been used to demand dignity and resist white supremacy. Plus, the celebrated critic Als on the work of Alice Neel, who painted her neighbors, friends, and colleagues in a multicultural New York.