https://www.salon.com/2019/07/02/presid ... -eye-open/
This is probably just a Salon journalist flight of fancy, but it's kind of an interesting one:
Cutting right to the chase, I believe Trump might be grooming Ivanka, rather than Donald Trump Jr., to succeed him — a move that would solve a couple of Trump’s most harrowing problems. In fact, there’s a rumor currently circulating among Republican circles in Washington in which Trump suddenly declines the nomination sometime next summer, presumably for health reasons, then lobbies the convention delegates to toss their votes to Ivanka as his rightful heir and the 2020 nominee.