An Unnecessary Bill

Oklahoma voters last month, during a midterm primary election, approved a ballot measure to legalize medical marijuana. The measure, which passed by a vote of 57 to 43 percent, will allow doctors to recommend cannabis to treat any medical condition they see fit. Most other states that have legalized medical marijuana only provide a list of diseases and disorders for which physicians can authorize a cannabis treatment.

The ballot title reads as follows:

This measure amends the Oklahoma State S...