U.S. Sen. Marco Rubio of Florida on Aug. 4 said Senate Democrats blocked a bill Rubio introduced that would have resulted in lowering the Brix level of not-from-concentrate orange juice (NFC OJ). That bill would have directed the Food and Drug Administration (FDA) to take the Brix-lowering action. Rubio had introduced the Defending Domestic Orange Juice Production Act (S. 4394), …