Colorado took a first step toward importing prescription drugs from Canada as Gov. Jared Polis (D) signed a bill May 16 to get the process started.

The bill (S.B. 5) directs the state’s Department of Health Care Policy and Financing to create a program to import prescription pharmaceutical products from Canada to be sold to Colorado consumers.

Democrats who hold the majority in the Colorado House listed the bill as among the major health-care accomplishments of the 2019...