For TLDR: >Rather than give up information to his captors, Douglas pretended to be an illiterate fool. > Using the nursery rhyme “Old McDonald Had a Farm” as

For TLDR: >Rather than give up information to his captors, Douglas pretended to be an illiterate fool. > Using the nursery rhyme “Old McDonald Had a Farm” as a mnemonic device, he memorized over 250 prisoners’ names. > His global impact came when he confronted the Vietnamese at the Paris Peace Talks in 1970. The information Douglas provided, including the locations and horrible conditions of the prison camps, as well as the torture practices used by the Vietnamese