Here is a piece that probably describes the politics of the USS Liberty attack correctly:

http://rense.com/general91/sixdays.htm

Kirwan most likely has read Michael Collins Piper's book The Final Judgment. That is an excellent, well documented piece on the JFK assassination. It is fascinating not only for what it says, but how it has been received. My guts tell me it may be close to, if not a bulls eye on the truth.

Hatha