Supermodel Beverly Johnson talks about her new book, and her allegations against Bill Cosby

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CHICAGO -- Supermodel and business woman Beverly Johnson has a new memoir about her years on the catwalk.

"The Face That Changed It All" is on The New York Times best sellers list and recounts her childhood growing up in Buffalo, New York to the runways of the fashion capitals of the world.

The 63-year-old was the first African American woman on cover of American Vogue and also graced the covers of hundreds of other magazines over the years.

On the WGN Midday News Johnson talked about her book which includes a darker chapter.  Johnson says she was drugged by comedian Bill Cosby but not sexually assaulted as dozens of other women have claimed.

At first her publisher didn't want to include it in the book until she told her story to Vanity Fair.

Cosby has never been charged and denies any wrongdoing.

Johnson says no matter what happens in the legal system this should be an opportunity to discuss violence against women and give them a voice.

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