Win, lose, or mistrial, the lawfare assault against Donald Trump is about more than whether one party can put its chief political rival in jail. It's ultimately a question of the nation's character. Does America have enough virtue and good sense left to reject a naked attempt at third world-style governance? Will Soviet thuggery be punished at the ballot box, or rewarded? It's an open question. But make no mistake, the next five months are an existential test for the nation.