American poet Robert Frost, shown here in 1955, died on Jan. 29, 1963. Now, 50 years after his death, a rare collection of letters, audio and photographs sheds new light on his religious beliefs.
Visitors take in a re-created scene at the massacre museum at Vietnam's My Lai village. Researcher Nick Turse says atrocities of all kinds were more common in the Vietnam War than most Americans believe.
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