Quite frankly, and I don't say this in a 'OMFG I'm from the UK and therefore must be the US's best buddy' but the US is welcome to keep their bases running over here, for one thing it brings in money for us from US airmen shopping in local places. For another it gives the US a nice refueling point without having to put up tankers, or indeed gives them somewhere to base the tankers (Mildenhall springs to mind) and it's nice to see US kit in the skies from time to time. Yes, the UK is very much riding on the coat-tails of the US military, primarily because we've lost most of ours.
It's not a situation I'm exactly happy with, but at the same time it's nice to know that someone has our back until our idiots have sorted themselves out.
However, if the US decided to cut back again on USAFE bases then I'd fully understand and support their decision, it is after all their military.
I do ponder, if perhaps the US, and other nations, need to do a hard reset on their finances, start a new peg system for it, stop any inflation and so forth. It's a tricky situation, and I really don't understand finances enough to be assertive on the subject, but it's not getting any better and whether this is due to a 'welfare state' or high military spending I do not know, but I think that both the US and other nations are fast approaching the point where a drastic measure is called for.