McDonald's workers said they faced a toxic environment of bullying and abuse. It's bad news for a business model that keeps fast food profitable.

McDonald's workers said they faced a toxic environment of bullying and abuse. It's bad news for a business model that keeps fast food profitable.

A McDonald's restaurant exterior.John Greim/LightRocket via Getty Images <ul> <li>Over 100 McDonald's workers said they were harassed and abused at work, the BBC reported.</li> <li>It's a PR nightma… [+2402 chars]

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