To know Sen. JD Vance is to dislike him. But I suspect, like Heather "Digby" Parton wrote at Salon Monday, "his nasty, cold personality" is a factor in Vance's unpopularity. Frum also views Vance's aggrieved responses whenever he's asked about "cat ladies" in the same light, as Vance's childish inability to control his petulant emotions. It's been well-documented how much …