Ancient history.
If Florida is the deciding state, then Governor Rick Scott will make sure that Florida's electoral votes go to the Republican. The voting devices will do funny things, like reverse the tallies in heavily-Democratic precincts.
Governor Scott isn't that stupid... and Besides he doesn't have skin in the game. He's not running, nor are any of his relatives (that we know of), and we don't know if he'd support a Bush/Rubio bid.
Yeah, Republicans wouldn't dare steal an election after last time when they paid heavy repercussions of ummm, uhhh, yeah.