Book Examines Varied 'Tapestry' of Michelle Obama's Ancestry

Aired: 8/10/2012 | 0:07:39 | Clip
When Rachel Swarns began research on First Lady Michelle Obama's American lineage, she discovered remarkable family sagas, including the story of Mrs. Obama's white great-great-great-grandfather. Gwen Ifill talks to New York Times' Rachel Swarns about her new book on the genealogy of Michelle Obama, "American Tapestry."