The president's casual cruelty to his cabinet reveals echoes of 1930s Germany, says The Daily Beast's Chief National Correspondent David Gardner.

Trump is not an ideologue. Hitler wrote Mein Kampf. Trump wrote The Art of the Deal (or his ghostwriter did). But he is an emboldened president.

Through an astonishing combination of guile, instinct, foresight, and plain luck, Trump finds himself in a position of unchallenged power in the White House.