As a Topic of Interest and to define a broad scope regarding this topic, the following area's may be given some thought.
What is the right Model for Project Management?
Is PMBok, it yes why, if no what needs to change?
What are the Alternatives?
Can one standard work for all Countries / Industries / Projects?
What are the things that need to considered?
Who should be responsible for setting the Standards?
What would change and when should it happen?