It seems almost a requirement for a poet to have an unconventional résumé, but Dana Gioia’s is perhaps notable for being so conventionally unpoetic. A graduate of Stanford Business School, Gioia claims to be “the only person, in history, who went to business school to be a poet.” He later rose to become a vice president at General Foods, where he marketed products such as Kool-Aid. These experiences in the corporate world, Gioia . . .