Colleen Cardinal often wondered why her parents turned bright red in the sun but she grew dark along with her sisters. The puzzle was solved when she was a young teen, and the woman she had thought of as her mother disclosed that she had been picked out of a catalog of native children available for adoption. Cardinal was one of thousands of indigenous children taken from their birth families from the 1960s to mid-1980s and sent to live with white families, who officials at the time insisted could give them better care. Many lost touch with their original culture...