Watch the new CBSN Originals documentary, "Speaking Frankly | Fat Shaming," in the video player above. It premieres on CBSN Sunday, August 23, at 8 p.m., 11 p.m., and 2 a.m. ET. Perched on a couch, Sabrina Strings relates the story of a conversation she had with her grandmother. "My grandmother is a Black woman from the South, grew up during Jim Crow, and for her, being able to eat regularly was a triumph. One time she told me that she got a basket of oranges one Christmas and it was one of her happiest memories," she recalled. "But when...