California Gov. Gavin Newsom (D) on Monday urged Congress and the president to create and grant to the state a “transformational” waiver that would allow it to move to a single-payer system, and also encouraged Congress to place a cap on Affordable Care Act premium contributions, increase the subsidies to middle class families and reinstitute the national reinsurance program to improve affordability throughout the country. Newsom’s letter to the federal government came as the new state leader said his first...