Absolutely, it seems like we're trying to police the world for no good reason. Communism is all but dead. It's time to shift ideals and bring things back home. I understand the need to protect stable oil assets, but a lot of that has to do with liberals fighting domestic oil production, which has dropped significantly in the past 20 years. If the US was able to start drilling again and get alternative energy sources (nuclear, anyone?) up and running in the next decade, there's no good reason to keep so many troops all over the world. Having strategic bases in certain countries will always but useful but much of that can be cut way back if we weren't so (unnecessarily) reliant on other countries' commodities markets.
Make this country more independent and many of these defense problems simply go away.
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