But Afghanistan is also on the verge of collapsing. An NPR report suggested that the Taliban and drug lords are again terrorizing villages and the stability of the country is deteriorating quickly.
There are many reasons to be concerned about losing control of Afghanistan. The most important might be because of its geography - its central location.
Here is a map of Afghanistan:

Notice it's location - Central Asia. Next to two countries the United States has had tensions with historically - Iran and Pakistan. To the east of Afghanistan is China and to the north are former Soviet republics. Also notice that on the upper left-hand corner of the map is the gas-rich Caspian Sea.
I point out geography because the country's location has been a major source of the tensions and wars that have occurred there over the centuries. But I'll spare that detail because I don't think you all want to read about a few millennia of conflict in this country.
But before I start, I think a brief history of that country from the late 19th century to the present is needed.
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OK, so there is the brief history. A country that has suffered from years of war because of its geographic situation appears to be on the verge of another large outbreak.
For strategic purposes, fighting in Afghanistan was the right thing to do. A regime that had been violating human rights was overthrown and replaced with a Democratic one. The pipeline would (and still may) have brought needed revenue to the country. But unless the country is brought under control, it will become a breeding ground for opium production and for terrorism.
Who/what is to blame? Well, that's easy. George Bush and his rush to go to war with Iraq. Afghanistan could've had a chance if the United States had moved in with a full force and secured it. But we didn't. We sent enough to overthrow the government, but not enough to ensure the success of a new government. That was the biggest mistake. Sure the United States has put in billions to help the country, but it's not enough. The success of Afghanistan should have been our goal since day 1. But obviously, the war in Afghanistan was just a stepping stone to get to a war in Iraq.
Defeats - withdrawals without victories - in Afghanistan were precursors for the downfall of two of the great 20th-Century empires. What would that say about this country if the United States is eventually driven out and defeated?