Ergo, I agree there have been problems with US foreign policy, but be careful not to buy into the propaganda effort. Anti-US propaganda is advancing the idea that everything negative in the world is the fault of the US, therefore terror is justified. Propaganda is an integral component of war.
The people behind the radical jihad are political opportunists. They have lots of money and they are no dummies. Their agenda is about money and power. They prey on the poor and give them an enemy, us. And according to these political opportunists, even Mother Teresa is an "Infidel"....