Donald Trump has never been the most temperate-minded of men. Even during his first term, his emotional volatility — particularly toward anyone perceived as an erstwhile ally — was legendary, and his capacity to hold on to grudges unending. But during his vastly more unmediated second term? Trump acts increasingly like a gambler on tilt, pushing as many of America’s chips as he can get his hands on into the center of the table while deliriously barking at anyone who tries to tell him not to riskily — indeed, foolishly — wager things which are not his to gamble with ...