The body-positive movement has encouraged people, especially women, to see beauty in all shapes and sizes, and it's reminded us that body ideals are culturally constructed and not based on science.

It has been tempting to view the C.I.A. as omniscient. Yet Coll’s chastening new book about the events leading up to the Iraq War, in 2003, shows just how often the agency was flying blind.

This is because the body positivity movement has flooded our timeline for years now. There are some who think it promotes unhealthy lifestyles and encourages obesity, but those who support the ...