Alfred McCoy's Politics of Heroin: CIA complicity in the global drug trade for openers. This has been the 'background' corruption that has now gotten SOOOOOOOO out of control that our DoD's budget can't account for 25% or $2.3 Trillion
http://www.cbsnews.com/stories/2002/01/29/eveningnews/main325985.shtml You don't want to believe the truth ! You can't handle the truth !
(I heard that before somewheres)
http://en.wikipedia.org/wiki/Alfred_W._McCoyTim Weiner's book Blank Check: The Pentagon's Black Budget
http://www.namebase.org/sources/PR.htmltakes it a step further since the military's budgetting is even more out of Congressional oversight. This is all extra-Constitutional since all spending by the govt is supposed to originate in the House, not in some CIA or DoD backroom and tied to an Afgan or Golden Triangle drug source.
Sorry to burst your bubble.