U.S. Foreign (War) Policy: Outdated, Misguided, Self-Defeating

Foreign policy, American style, has evolved over the decades to the point that it bears little to no resemblance to what it once was. The art of diplomacy and negotiations has been replaced by the doctrine of "You're either for us or against us" with no room for any gray area. The focus seems to be, why waste time with painstaking negotiations when force is so much easier and effective?