A most interesting article, Tink. Kasich may well be the best chance although, as the article states, it's probably too late now to stop Trump, which may mean another four years for the Democrats.
The strength of the democratic system is also its weakness. Everybody gets a vote but not all are equally astute and demagogues like Trump (or Hilary, for that matter) can sweep them away with rhetoric. All-in-all this promises to be one of the most interesting elections in recent years, but also potentially one of the most devastating. In a contest between Trump and Clinton it's possible that whoever wins, America will lose.