madman

Such a decision would be catastrophic, serving only a madman’s lust for power and revenge — and causing America’s democracy to cease to exist.

It's only the maniacal laughter in the fading bars that suggests this outlook is the purview of a madman.

His unpredictability is sometimes portrayed by his supporters after the fact as strategic - the so-called "madman" theory of foreign relations.

I wouldn’t recommend the madman strategy for managing the global economy.

“We enable him and we haven’t learned yet how to battle this stupidity. The country and the world is suffering from the whims of a madman.”