Your post sounds 100% identical to my #17 in different words. You remember it too....the Roger Stone attack on his kid working for Cruz was the precise moment he flipped.
Since that day, that moment, Mark is on this immutable anti-Trump jihad and he just can not get off it. I could understand him being pissed off for a week.
If that’s really all it took for him to abandon a winning, modern candidate that can keep the hildebeast out of the WH, well, I’m stunned.
That must be some girlfriend.