Do we define ourselves by 'nature' or 'nurture?'

Published 12:28 PM ET, Thu February 23, 2012
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Michael Fosberg was raised as white. But he jokingly says his hair should have been a clue that he had African American blood too. Michael Fosberg
Fosberg didn't see this photo of himself as a baby with his Armenian mother and his light-skinned African American father until he was an adult.
Fosberg's grandmother sent him a care package with items she had been saving for 30 years: his baby shoe and photos of them together. The inscription on the back of this one says: "August 1958, Proud grandmom."