BENTONVILLE, AR: In speeches, interviews, and opinion pieces, Wal-Mart is stressing that the so-called Fair Share Healthcare bills that are pending in several state legislatures won't increase access to medical insurance.

Those bills, modeled after a law that recently passed in Maryland, require companies with more than 10,000 employees to spend a certain percentage (in Maryland, at least 8%) of their payroll funding on either their own or state-funded insurance programs.

The bills have seen momentum because of rapidly rising Medicaid ...