On Wednesday, Ohio Gov. John Kasich signed HB 523 into law, bringing the promise of relief to thousands of seriously ill patients in the Buckeye State. His action also marks an important milestone in the medical marijuana movement: Ohio’s new law means that now half the states in the U.S. have workable medical marijuana laws for their citizens. While this is an important step, more work lies ahead. Several agencies will administer the program, including the Department of Commerce, the State Board…