[identity profile] nathan helfinstine (from livejournal.com) 2016-02-14 06:47 am (UTC)(link)
That seems unlikely. Presidential candidates don't generally bind themselves in such a way.

[identity profile] magedragonfire.livejournal.com 2016-02-14 06:57 am (UTC)(link)
A little bit of digging, and yeah, it's not quite as firm a commitment as some have been saying abouts the web. She just said she thinks he'd do a fine job in the position, really.

Whether he'd take the nomination or not would be another thing entirely, too.