Info from Wiki on his most recent book:
"American Empire: Before the Fall"
Published by Campaign for Liberty, June 2010. ISBN 1452829535
... condemns the aggressive foreign policy of the United States for being devoid of concrete objectives, and as such, doomed to war in perpetuity.
According to Fein, foreign policy as it stands is earmarked by domination for the sake of domination and gaping wounds to the rule of law and separation of powers. Fein writes:
"The larger national motivation is to dominate the world for the excitement of domination.
The narrower particular motivation of the President is to reduce coequal branches of government to vassalage, to place the President above the law, and to justify secret government without accountability.
James Madison’s admonitions about presidential wars have been vindicated."