CPUC should allow the Charter-Cox merger to proceed

California’s Public Utilities Commission is reviewing the proposed merger of cable companies Charter and Cox. The CPUC should not marginalize California residents by standing in the way of a merger that is likely to succeed at the federal level and benefit the other 49 states.

The size of the Golden State’s population and economy lends her government considerable power to frustrate major transactions like this one, even when federal regulators find no issue with a proposed deal. The Department of Justice’s Antitrust Division...