Incriminating emails. A campaign to discredit a rival. Jokes about putting a hit out on a CEO. We’re not talking about a dirty politician or the ruthless head of a Fortune 500 company, but the American Egg Board and its attempt to crush Just Mayo, an eggless vegan mayonnaise brand. A new report from the USDA, which oversees the Egg Board, found the Board overstepped federal rules with its campaign to destroy Just Mayo.