Bush didn't really stimulate consumer spending. What happened was the vast majority of the tax cuts went to the wealthy who saved them, and so did spend and become consumers with that money. Then the states being short of money raised many taxes, etc so the consumer often ended up paying more than they did before the tax cut.

It's been predicted by most economist blogs that a slowdown may occur, because most of the consumer spending has been financed from savings and refinancing their homes. People are running out of these resources and so spending cannot keep up its pace. Since there are few extra jobs the extra spending can't come from there either.