She's Jamaican/Indian trying to pass as 'Black' while married to an old, fat white guy.
Susan Rice? Same problem, except she's married to a 6'6" Canadian white guy.
Val Demings is a career cop and former Police Chief who 'resigned' her job after backing a police officer accused of excessive force.
All the other women of color are simply unqualified to be on the ticket with a guy who is literally a heartbeat away (and a more than five minute speech away from Article 25).
Liz is as black as it is going to get.