Dr. Jame Brown has an opinion piece on the current state of PMBOK(r) 4th Edition. I've read and reviewed Dr. Brown's book The Handbook of Program Management. The book is a "must read" for any serious project or program manager. The PMBOK(r) article has a critically important point
Project Management is nothing but structured organized common
sense!
This is one of the best statements about project management I've heard in awhile.