In the long arc of institutional trust, few moments carry more weight than when a central bank's steady hand quietly withdraws. Indonesia's Bank Indonesia Governor Perry Warjiyo resigned Monday without ceremony or explanation, leaving markets to fill the silence with their own anxieties about political encroachment on monetary independence. His eight-year tenure had been a stabilizing force during turbulent times, and his abrupt departure — arriving amid a weakened rupiah, new parliamentary powers over the central bank, and a government pressing hard for growth — raises the oldest question in