Here;
Source: BBC
This is what you are dubbing as pumping. To put it simple, US government has been buying assets to stimulate economic activity. Current forecast indicates that QE is no longer required.
US economic setup is too big and complex for any single person to explain properly. Expenditure related policies continue to change. If Obama has implemented MediCare in to the expenditure; the next administration can terminate it.
Total revenue generation of USA is at 5.1 Trillion USD currently. Total expenditure of USA is at 6.4 trillion USD currently. The fiscal gap can be easily bridged. And very large economies can tolerate fiscal gaps for a long long time.
And I will give you some indicators:
U.S. Manufacturing Grows at Fastest Pace in a Year: Economy - Businessweek
US job creation heralds stronger recovery
And US has no shortage of natural resources that can be exploited for economic purposes. Here is a sign; News Headlines (And this is just OIL.)
So lay off.
You clearly have no idea what you are talking about. The fiscal deficit of the US economy (difference between debts and revenues) is INCREASING dramatically over the years.
U.S. Deficit Increased to $1.3T in Fiscal 2011 - Bloomberg
Just to break even, the US would have to have a huge surplus over the next few decades (much more revenue than debts), which is an impossible feat to achieve.
Here is another interesting article about how the US economy is basically bankrupt:
U.S. Is Bankrupt and We Don
Pumping in stimulus packages into the US economy is only a band aid, it is not a real recovery, & things are getting worse for the US dollar and economy by the day.
The US will never get rid off food stamps, medicare, medicaid etc (neither the Republicans, nor the Democrats suggest this); & will find it impossible to get the kind of tax hikes needed to break even. The fiscal deficit will continue to increase.
Oh my children----you are so innocent---most of pakistan is flat lands----whereas a lots of afg is mountains----
When the US/NATO (120K) & ANA (250K) troops are finding it hard to defeat the Taliban (40-50K), Haqqani network (15-25K) with their primitive weapons; how will they be able to defeat the Pakistan Army (700K active troops, 700K reserve force), Pakistani population with arms (2000K), as well as insurgent groups in a direct military confrontation (with the added complexity of 120 nuclear warheads, although not a threat to the US, but a threat to US interests)?
While you look at the geographical demographics, you fail to look at the population demographics that are much more willing to fight the US than the Afghans are.