When I was a boy, I loved numbers, and I still do. Only when I was a sophomore at Princeton did I shift my attention from mathematics to literature, in part because the same part of my mind that loves…

As President Trump mentioned in Tuesday’s address to the joint session of Congress, he signed an executive order designating English as the nation’s official language on March 1. But should we care? Inasmuch as the intent of Trump’s order is…