The Congressional Research Service has come up with an informative and timely report on the functioning of the Afghan state, particularly in the context of likely events following Western military withdrawal in 2014.
Afghanistan: Politics, Elections, and Government Performance by Kenneth Katzman doesn't attempt to set out solutions, but gives a good overview of the stresslines that are likely to become apparent in the next couple of years.
No matter who wins the 2014 Presidential elections, there is a widespread belief that governance will founder, says Katzman, and if it does so, then "The informal power structure consisting of regional and ethnic leaders—who have always been at least as significant a factor in governance as the formal power structure—is expected to assert itself".
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