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Chang and Eng Bunker were famous conjoined twins who married sisters. Christina Baker Kline imagines what their lives were like in her novel, "The Foursome." She talks with NPR's.

Add Yahoo as a preferred source to see more of our stories on Google. Conjoined Twin Sisters Abby and Brittany Hensel are spotted for the first time since it emerged Abby is now married, as they pick ...