Let me coreect that article.
It is not the Republicans who think Trump cannot win the WH...it is the GOPe who think he cannot win the WH.
If the rest of field cannot overtake Trump, what genius would believe someone who can’t beat him in the primaries could beat the Dem candidate?
Well, the GOPe cannot win the WH.
IMO Trump is probably the only GOP candidate who can win the general election. He will pull the indies and the disenchanted Democrats.
Let me correct your correction: what the GOPe are most worried about, is the chance Trump DOES win the White House, and then turns around and holds the GOPe accountable for results.
The game the GOPe has been playing for a long time is "We pretend to be conservative while not blocking the Dem agenda significantly, and in return the Left agrees to ignore our being paid off by lobbyists and keeping mistresses on the staff payroll".