From Tokyo to Washington, central bankers are becoming increasingly divided on how to handle the global energy shock. Less unity means investors should brace for more policy uncertainty, murky messaging, and volatility in the months ahead. As Brent crude hits $120 a barrel - double where it was at the start of the year - policymakers' dilemma is clear. Should they raise interest rates to quell inflation, or cut them to support growth? The preferred option appears to be sitting tight in the hope that the Iran war ends soon. But dissent, mostly from policy hawks, is reaching a fever pitch not heard for years. On ... (full story)