Fire with Fire Some U.S. senators have introduced legislation that would prohibit states from enacting laws dictating how livestock are produced in other states. The bill will go nowhere and is thus a waste of hot breath. There are 20 states that have challenged California’s Proposition 12, which is at the heart of the senators’ legislative focus. Most of the 20 states have small, rural populations that do not drink a lot of wine. But collectively, they account for 18 percent of U.S. wine disappearance, which is mostly sourced from California. Their consumption accounts for $7.2 billion in sales, mostly benefiting California. A better way to get attention in Sacramento is to structure state requirements on grape growing since C...