Three things about Donald Trump have now become clear to the Republican establishment:

1) He might not implode before people start voting for president next year.

2) He could actually wind up as the Republican nominee for president.

3) That would be an unmitigated disaster for downballot Republicans running for Senate, House and other offices.

What NO ONE in the GOP establishment seems to be able to agree on is how to prevent the Trump-as-nominee scenario.