The Carlos Ghosn scandal continues, with the former Nissan chairman being rearrested over charges of understated income. The international community keenly watches as Japan's judicial system comes under scrutiny. With further developments raising suspicion over CEO Hiroto Saikawa, who was allegedly going to be removed by Ghosn before the arrest, it begs the question - was this a corporate coup?

What are the geopolitics at play in this commercial dispute? And is Ghosn being made an example of for foreign executives in Japan?