In Politics and Strategy Trubowitz takes his analysis from Defining there National Interest to another analytical level. I would

In Politics and Strategy Trubowitz takes his analysis from Defining there National Interest to another analytical level. I would like to hear what each of you think about the following:
1- what do you make of Trubowitz’s typology? Do you find it convincing? Why or why not?
2- How do we reconcile this analysis with Layne? What is problematic (or not) in comparing these two works?