Today, from Donald Trump:

Donald J. Trump‏ @realDonaldTrump
If Chelsea Clinton were asked to hold the seat for her mother,as her mother gave our country away, the Fake News would say CHELSEA FOR PRES!
6:47 AM – 10 Jul 2017

And, a response from Chelsea Clinton (D):

Chelsea Clinton‏ @ChelseaClinton
Good morning Mr. President. It would never have occurred to my mother or my father to ask me. Were you giving our country away? Hoping not.
[….]
7:25 AM – 10 Jul 2017

Stone cold.

One of them holds a doctorate in international relations from Oxford University.

I know which one my money’s on.