It’s primary day in four states across the U.S., along with a special election in a fifth. The lineup includes contests in Connecticut, Vermont, Minnesota, and Wisconsin. Plus, South Carolina’s special primary for the U.S. Senate. The Trump administration is taking aim at what it calls a major blind spot in America’s food supply, proposing new requirements for companies to disclose chemicals added to their products. PLUS, commentary by David Marcus, columnist for FOX News Digital.