There is a more plausible explanation for the spending slowdown, namely the withdrawal of fiscal and monetary stimulus from a household sector whose finances remain stretched,

Japan's big problem was that fiscal stimulus was not there. They haven't coordinated monetary policy with fiscal policy. That's what we're doing differently, and that's why we won't have the same problem.

The U.S. consumer roars back.

A year ago, it was not that difficult to predict six months in advance where they were going to be. That's going to be harder when you are at 5 percent and you think the economy is going to be weak enough to get them to cut rates.

The chairman now sounds notably more worried than previously that house prices have risen too much and that the downturn could have a severe effect on the U.S. economy.

Oil is the dog that didn't bark. It's neutral because it's not far away from the average of where it's been over the past year.