Now, I know he does not count as military professional, but as a 20+ year counter-terrorism and counter-intel officer who lays out clearly our policy is fucking us and how we will inevitably lose the so-called GWoT.
He wrote it anonymously, at the time. So if you like Snowden, you will love him. I would hope a reading list about the most important combat operation of the 21st century for USG armed forces would read harsh criticism in an attempt to win something so important.
[0] https://en.wikipedia.org/wiki/Michael_Scheuer
[1] http://militaryprofessionalreadinglists.com/search?keywords=...