Maybe only a friendly foreigner could say this. But America needs to realize that not everyone can own a home. The American Dream of home ownership for all is a fraud. Politicians who pimped this dream created an unsustainable mortgage industry whose collapse is only surprising because it didn't happen earlier. America's mortgage industry will not recover, nor deserve to recover, unless it is prepared to challenge this politically unpalatable reality.

Why listen to an Australian like me? For starters, as our central banker,...