Is this even theoretically possible to fix? Presuming we don't consider communist-style measures of expropriation?
The USA interest rate should be at least 2% right now. That would take the wind out of insane asset valuations.
At the very least, the US needs to reassess its belief that free markets are a moral good, and effective government is a moral evil.
Heck, throw in free wifi and I might sign up.