Corporate farms are ratcheting up their efforts to keep their not-so-savory, and frequently illegal, business practices out of sight. Armed with a series of bills that aim to criminalize undercover investigations and whistleblowing, the industry is going state-by-state in an effort to stop animal cruelty investigations of food animal facilities. But by concealing dangerous operations that compromise animals, they also endanger food safety. Known as “ag-gag” or anti-whistleblower laws, these bills pose a major threat to consumers—especially to children and the elderly. In the past, undercover...