Why isn't the stimulus working?

Most of the money being spent this year went to health care programs, shoring up state budgets, welfare and the minuscule tax credit. Here is a graphic depiction from the Washington Post of where and when the money will be spent. The stimulus was poorly targeted at job creation. The money targeted for highway construction will only be one third spent by the end of fiscal 2010.

(click graphic for a larger view)

The full graphic is here.