Sovereign Debt | Look how I changed the world, Ma… Ben Bernanke and Moody's on eurozone and US debt

As Ben Bernanke's hint that QE3 could be on the horizon and the Moody's downgrading of Portugal to junk status cause such a stir in the market, Anthony Harrington looks at whether this is the forgiveable nature of credit ratings or if too much power is placed in the hands of so few.