The Food and Drug Administration recently proposed the most sweeping changes to food safety rules in 70 years. The new rules were triggered by a series of food-borne illness outbreaks. Twenty years ago Seattle was at the epicenter of one of the earliest and most notorious outbreaks. Hundreds of people got sick from eating contaminated burgers. For Connie Chrobuck, it was a meal that would change her family’s life. In this two-part series, Ruby revisits the case that set the nation on a path toward safer food, and why it’s taking so long.