Everything you mentioned, PLUS:
Broken healthcare system
Our dependence on foreign oil
Declining dollar
A president who has isolated himself among his own party and other countries
Stagflation is on the way if it is not here yet
Offshoring of white collar and blue collar jobs
High credit card debt
Americans insatiable appetite for everything big (big houses, big cars, big boats, big RVs, etc.) which makes us more vulnerable in a downturn.
Americans insatiable appetite for lowest price (more imports from other countries)
Broken education system
We hardly manufacture anything here anymore
We are killing our scenic sites and environment with our loose environmental policies and opening up public land in the West for more energy exploration.
Baby boomers slow their spending significantly in 3 more years.
The Republican tax cuts end in 2011.
Parents both work which leaves little time to raise our future generation.
Overpaid upper management, underpaid middle class.
Bush's tax cuts favor the wealthy and are killing off the middle class.
Massive illegal immigration of poor people from Mexico.
Complete choas in Iraq.
Opium production is on the increase in Afghanistan.
Radical extremists are slowly making their way into our borders.
I can list off another 100, but this is getting long as it is.
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