RIP TRUMP AND SANDERS, basically.
I don't follow?
He's saying that primary voters will now prioritize November electability over all other issues.
Um, most GOP primary voters think Trump is the most electable candidate.
This poll is a couple weeks old, but I imagine the numbers are similar now:
https://today.yougov.com/news/2016/01/31/americans-expect-trump-clinton-victories-ahead-iow/"Clinton and Trump remain in front nationally when their respective partisans are asked who will win each party’s nomination, but they also rank first for electability. 82% of Republican primary voters say Trump could win in the fall, 90% of Democratic voters believe Clinton could win."