Much has been written about the prospects for American foreign policy and national security vis-a-vis the country and culture of Afghanistan. We would probably not be discussing it so vehemently were it not for the failure of the Soviet Union to subdue Afghanistan and its various peoples, and more to the point, if it were not that in the aftermath of the Soviet failure a very useful hideout was created for the terrorists led by Osama bin Ladin known as al Qaeda --"The Base." The initial mission was to seek out and destroy bin Ladin, and that mission quickly morphed into a seek out and destroy the Taliban, which had become the successor government after the Soviets retreated and which were deliberately giving sanctuary to al Qaeda.
The Taliban was initially defeated and driven out of the country or into impotence by the force of American arms, but al Qaeda was not found. Sensing an undesirable lull in American post-9/11 jingoism, Dick Cheney and his Petroleum "committee" realized that American attention could be refocused on a more attainable goal, in Iraq, by the simple expedients of transferring significant culpability for the 9/11 attack to Saddam Hussein and to underscore his penchant for treachery and his evil nature by attributing to his regime weapons of mass destruction&mash;weapons like poison gas he used in the Iraq-Iran War, but also nuclear weapons, which he did not ever have. Americans caught on, and soon enough Afghanistan was relegated to the back seat and policy on the ground decayed into thoughtlessly annoying the civil population, thus providing aid and sustenance to the Taliban and to al Qaeda. The former reorganized and the latter found additional safe haven in troubled Pakistan, where it dawned on both al Qaeda and the Americans that Pakistani nuclear weapons (aimed primarily at hated India) were now possibly in play in the conflict over what Afghanistan would become.
As Americans consider what would be nice to accomplish versus what is reasonable given the amount of resources and number of lives we are willing to sacrifice to accomplish, each layer of intention, we find ourselves backed into yet other corners both domestic and abroad. NATO is shouldering a small part of the burden of finding al Qaeda and, willy nilly, of helping to establish some kind of civil order from among the various forms of tribal allegiance and political corruption that turn out to be Afghanistan's chief domestic product. NATO in the same book is not on the same page with America at the moment, because American really does not (or has not stated) its current objectives in Afghanistan.
The reason for the indecision is that President Obama, campaigning with the albatross of weak-kneed foreign policy placed around his neck by Republican politicians and media, decided that Afghanistan would be HIS war, a ploy taken to make it easier to extract the American military from its default mission of "nation building" in Iraq. Now, however, the hens have come home to roost and Obama seems to have bits of egg on his face because he and the military do not agree on how many mission layers are necessary for the accomplishment of the original goal--the routing of al Qaeda and, of course or necessity, the Taliban. In other words, the military sees itself persuing both an occupation-as-nation-building and military action against recalcitrant elements supporting, aiding, abetting, or otherwise interfering with the pursuit of al Qaeda, namely the resurgent Taliban. Tribal leaders are all but oblivious to the full implications, but nevertheless are keenly aware of what cards they hold at any given moment. And then there is the rampant, culturally common corruption of the so-called Karzai government in Kabul.
It is clear enough that the military have the usual internal incentives to remain and fight out some kind of a mission, for that is what militaries do--fight. It is also clear that the military-industrial complex back at home stands to profit from a continuation or escalation of hostilities. It is also apparent that the domestic economy needs help and that stimulation through the m-i complex will do that, and more to the point, the reverse--cessation of hostilities--would have the opposite effect on the economy and prove to be the undoing of much else that the Obama administration needs to carry off successfully.
Another writer, Gene Lyons, notes that so long as Obama is viewed as earnestly engaged in Afghanistan he cannot be accused of contributing to any new terrorist attacks on the U.S., and so in that sense Obama is politically (as opposed to any Afghanistan-based thinking) bound to Afghanistan for his own and his party's political security, despite the improbability of another attack from al Qaeda on the "homeland" ... and the improbability that as any success is measured against al Qaeda they will remain in Afghanistan (or Pakistan) and not redeploy to Somalia or Yemen or Venice Beach.
The mission "cake" in Afghanistan is many layers deep by now, and iced/frosted with political considerations that have very little to do with cake itself and more to do with the nattering of politicians in Washington. The Republicans, despite their own natural patriotic interests as citizens that Obama succeeds, are doing everything they can to frame the Afghanistan questions in terms of the alleged incompetence of Obama and Democrats in general to prosecute a war successfully or to maintain adequate national security. Democrats, generally taking more into account than the immediate political remuneration of any line of thought, have done a reasonably good job of sneaking the real issues into the news ... partly because the media are still smarting from its own complicity in the fraudulently promoted Iraq War.
Obama's private meeting with General McChrystal, whose voice for more troops is expectable, but not excusable in terms of chain of command, must surely have included a not-so-subtle reproof against the General for shooting off his mouth, but also a couple of attaboys to keep him in the belief that Afghanistan is really not the miserable mess that Cheney and his predecessors allowed it to become, and that there is a mission out there somewhere that Americans with NATO's assistance can prosecute successfully.
Frankly, I do not know what that mission might be, since the original goal of finding and routing al Qaeda seems less than likely to be accomplished and all else is predicated on that mission being the focal point. That being said, I think we can be assured that muddling the mission will be the best tactic until the mid-term elections of 2010 are over. If the Democrats lose the House or the Senate (but probably not both), then the mission in Afghanistan becomes anybody's guess, but muddling will not work again.