(Glyn Kirk/AFP/Getty Images)

Jay-Z in a text message to Georgetown professor Michael Eric Dyson, whose SOCI 124 (“Sociology of Hip-Hop: Urban Theodicy of Jay-Z”) places Hova in a historic context with W.E.B. DuBois and Max Weber, reports Chris Richards.

In other news:
Mac MacGarry, “a comforting blend of Alex Trebek and Mr. Rogers,” is retiring after 50 years as host of “It’s Academic.” . . . Nirupama Rao, the new Indian ambassador, is also an accomplished poet, an avid tweeter and the third woman to hold the job.