Mark Z. Barabak: Here's why Joe Biden won't be dumping Kamala Harris as his running mate
Being vice president of the United States is sort of like working for Donald Trump or watching reality TV. It requires a high degree of tolerance for indignity and abuse.
The job is inherently subservient — the only thing worse than embarrassing the president is outshining him — and the office almost always diminishes its occupant. Enter as a respected governor or U.S. senator and soon you're transformed in the public eye to a lapdog, a nullity or an anchor on the administration.
(A notable exception being Dick Cheney, who, in caricature, was portrayed as
