Charles Douglas Lummis has written extensively on the topic of US foreign relations, and is a vocal critic of US foreign policy. His works include Radical Democracy, and A New Look at the Chrysanthemum and the Sword. Susan Sontaghas called Lummis "one of the most thoughtful, honorable, and relevant intellectuals writing about democratic practice anywhere in the world,"https://en.wikipedia.org/wiki/Douglas_Lummis while Karel van Wolferenhas referred to him as an "eminent observer of the American-Japanese vassalage relationship."