Now, if only we could arrest them when they take power, or even better, before. Rather than just cleaning up the mess decades later...
It'd be nice if once, just once, some General or Colonel would sit his men down to plot a coup d'etat, and they'd say, "No."
Well, okay, it happened once in France under Degaulle... the officers told the men to march, they said, "no." The officers ended up at the firing squad. That really should happen more often.