There are few things quite as expensive as “free health care.” And the nation’s most populous state may be about to find out the hard way. On June 1, the California Senate voted 23-14 in favor of a bill, the Healthy California Act (SB 562), to authorize the state to act as a “single payer” in place of insurance carriers in negotiating prices with doctors, hospitals and other providers. The measure covers all residents regardless of financial ability or immigration status. Annual costs may reach $400 billion – and that’s just for starters. As existing Medicare and Medicare funds will...