Although the USA has meddled around the world, I don't think they are completely to blame. The fighting in the middle-east has been going on for a lot longer than the US has existed. Ottoman Empire is the best example I have. Now what the US tried to do is stabilize or influence the area for various reasons, not the least of which is $$ driven.
There are some great documentaries out there on the Ottoman Empire and what happened after WW1 and the treaties created in Paris in 1919-1920.
http://en.wikipedia.org/wiki/Ottoman_Empirehttp://en.wikipedia.org/wiki/Paris_Peace_Conference,_1919
There's a lot of interesting reading, or at least I think so, so top up your coffee.
