Mideast oil will be sold... to someone. If the U.S. refuses to purchase it, some other country (China?) will. The funds will still go into the Mideast whether we buy the oil or someone else buys it.
but the price might drop if we produced more here, and used less
Agreed.
And further more, if we use only domestically produced energy, our energy costs will go sky high; while the rest of the world, including our enemies, will be able to purchase it even cheaper (since the biggest purchaser is no longer buying).
Energy is an economic input- if the USA is forced to spend 2-3 times as much as everyone else for the same input; we are going to suffer way more than any suffering we could inflict on them.