We, too, have trained and armed men, including Afghans, to overthrow governments we didn't like. It's important for Americans to understand that what is will not always be. We need to be looking to the future and taking note that China just signed new military agreements with Cuba and that Russia just signed new military agreements with Iran. In both cases, those agreements were signed despite the protests of the U.S. government. And in both cases, the details of those agreements have been kept secret from the U.S. government.
Arrogance is always dangerous, especially when it exceeds one's capability to back it up.
Their value is mainly as a deterrent. Having nukes and having the capability to be the world's policeman are two different things. There are ongoing conflicts in South America, in Indonesia, in Africa, in Central Asia and in the Balkans. We don't have the capability or the moral or legal authority to end any of them. Meddling, under the illusion that the world is our responsibility, will bleed this empire dry and, like other empires that over-reached, destroy it.