11 February 202211 February 2022 By main-account Comment Closed Last year, archeologists detected what they believed to be 200 unmarked graves at a residential school in Canada, bringing new attention to one of the country’s most shameful chapters. Anderson Cooper reports.https://www.cbsnews.com/video/canada-residential-schools-unmarked-graves-indigenous-children-60-minutes-video-2022-02-06/#x