The program was marked by frequent changes in reconstruction strategy, "turbulence" caused by personnel turnover and "poor integration" of work by various U.S. government agencies.
Bernanke is worried about the parlous state of the de-leveraging U.S. economy, and possibly worried that the U.S. banking sector is not strong enough to weather more currency turbulence.
And those disagreements are not new, and I have to say that the amount of turbulence, as you put it, that occurred was actually relatively modest when you look at the overall trajectory of U.S.-China relations.