1) This has a certain amount of credibility coming from the Bush camp because it shows Jeb Bush near the back of the pack.
2) But I don’t think any kind of internal polling data explains Trumps conduct in the last debate. Ockham’s Razor instructs us that the the likely reason why Trump acted like he hates the Bushes, is because he really, really hates the Bushes.
Probably true ... and I like the Ockham’s Razor thing... but, but, but it has never been so wildly apparent before.
He was off his meds.