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"Chalmers Johnson was an American author and professor emeritus of the University of California, San Diego. He served in the Korean War, was a consultant for the CIA from 1967 to 1973, and chaired the Center for Chinese Studies at the University of California, Berkeley from 1967 to 1972.[2] He was also president and co-founder with Steven Clemons of the Japan Policy Research Institute (now based at the University of San Francisco), an organization promoting public education about Japan and Asia.[3]

He wrote numerous books including, most recently, three examinations of the consequences of American Empire: Blowback, The Sorrows of Empire, and Nemesis: The Last Days of the American Republic."

https://en.wikipedia.org/wiki/Chalmers_Johnson

http://americanempireproject.com/authors/chalmers-johnson/

thank you so much.
i will try to read