Edited sentence: A US veteran of Hanoi Hilton captivity is interviewed discussing his desire to liberate Vietnam.D'Souza reflects on Lincoln's assassination and the continuing cost of freedom, saying that Americans no longer have past heroes like Washington, Lincoln and Reagan, but  "we do have us” in “our struggle for the restoration of America.The film challenges the notion that America is a rapacious conqueror by arguing that Americans have sacrificed for human well being around the world, including places like Afghanistan, Iraq, Germany, and Japan, seeking in return only “enough ground to bury” their dead, as former Secretary of State Colin Powell is quoted as saying