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HANOI, VIETNAM -- MARCH 30: CBS news anchor Walter Cronkite (right, in suit) reports from outside of the 'Plantation' POW camp, March 30, 1973, in Hanoi, Vietnam. Cronkite was in the country to cover the last of the US POW release. (Photo by David Hume Kennerly/Getty Images)

HANOI, VIETNAM -- MARCH 30: CBS news anchor Walter Cronkite (right, in suit) reports from outside of the 'Plantation' POW camp, March 30, 1973, in Hanoi, Vietnam. Cronkite was in the country to cover the last of the US POW release. (Photo by David Hume Kennerly/Getty Images)