Is there one single piece of evidence to back up your comment...?
Not really, but it seems there is evidence Palin is steering herself toward having Trump understand, she would accept if he selected her as his running mate:
http://extratv.com/2015/08/30/gotcha-where-she-wants-ya-sarah-palin-interviews-donald-trump/
http://extratv.com/2015/11/17/would-sarah-palin-join-the-republican-ticket-again-if-asked/
http://www.politico.com/story/2015/11/sarah-palin-donald-trump-216115
Just saying. That would be the ultimate GOP ticket, in my opinion. 100%, the best ever.
Trump / Palin 2016
:D