Kasich was managing director of Lehman Brothers when it collapsed. He is a caricature of everything that is wrong with the contemporary Republican party. He even figured out how to be booed at the most recent GOP debate. He's an uglier, more grating, less successful version of Mitt Romney--exactly the wrong kind of person to garner the middle American support essential for Republicans to have a shot (here's Trump channeling the sentiments of just about everyone who knows who Kasich is).
The attempt to propel Kasich and amnesty point man Rubio to the top is nakedly self-serving. The goodwill electoral advice offered to Republicans from Democratic insiders is about as genuine as the advice that Hispandering is the way to go. If the GOP listens to what we say they are sure to beat us, but we can't help but be helpful anyway!
Fortunately, Ipsos-Reuters' interactive polling explorer allows a check on these presumably self-serving assertions made by Democratic insiders. Here are the results from the most recent rolling 5-day period on who among those voting for Obama in 2012 would vote for on the Republican side if they had to vote for someone:
Nationalism (or citizenism) has broad appeal. The Establishment really, really hates that.