Toyota Top. For How Long & Does It Matter?

It used to be a given that GM would always be top world wide, in fact is was for something like 77 years. In 2008, Toyota gate crashed the party and a new leader was crowned. I thought it will take something to wrest that back, but Toyota's push had led to issues with reliability and then natural disasters conspired to make in a short reign. GM was back in 2011. Now with sales strong in Japan