What if you were running a major fast-food chain that had to get its tomatoes from somewhere, and you came across a program that had ended sexual harassment and violence among 90 percent of Florida-based tomato growers? What if participating in this program cost you only one penny per pound of tomatoes you bought? And what if 60 percent of your competitors, including McDonald’s, Chipotle Grill, Subway, Taco Bell, and Burger King, had long since joined up?