The voices of America's oldest living veterans Issues Nov 8, 2007 Listen Full documentary hr. 1 Nov 9, 2007 Listen Full documentary hr. 2 Nov 9, 2007 American flag Image/Clip art When "The World War I Living History Project" produced a radio documentary last year, there were only 14 surviving American veterans of that war. A year later, only four remain. The documentary tells the story of WWI with their help.