That was quick.Donald Trump is planting the seeds of his own political demise. The corrupt, incompetent and extremist men and women he’s appointing to many of the most critical posts in his cabinet are direct threats to the well-being of the country, but they’re also political threats to Trump and to his populist allies.To understand why, it’s important to remember a cardinal reality about Trump’s political career. He has now won two general elections when he was the only alternative to an unsatisfactory status quo, and he lost the one when he was the unsatisfactory status quo. If he can’t...