THE KEY PROBLEM OF OUR ECONOMY: POLITICAL MISALLOCATION OF CAPITAL
If a Republican wins in 2012, and if the economy doesn't markedly improve by 2016, a Democrat (quite possibly Hillary) will almost certainly win in 2016.
What would it take for the economy to markedly improve by 2016? To understand that, one needs to understand elementary classical (Austrian) economics. The fundamental problem is that governments, both in the US and around the world, have politically misallocated tens of trillions of dollars of capital to economically lower valued uses because these uses were of higher political value.
Wasting so much seed corn year after year, decade after decade, has inevitably resulted in progressively leaner harvests.
Unfortunately, this extensive capital misallocation is being done by many different methods and the misallocated capital is going to many politically favored groups, so there is no one silver bullet that will fix the mess. A partial list: