Jonathan Bernstein is a Bloomberg Opinion columnist covering politics and policy. He taught political science at the University of Texas at San Antonio and DePauw University and wrote A Plain Blog About Politics.
On the one hand, Joe Biden — who is running as the candidate who promises to make the presidency boring again — made the most obvious — that is, boring — selection for his running mate on the Democratic ticket.
California’s Kamala Harris was the logical choice all along — a nationally known sen...