Opinion

The real reason Walgreens and other pharmacies are failing

Pharmacies large and small make money in two ways. Both are under threat.

Helaine Olen

Helaine R. Olen is the author of "Pound Foolish: Exposing the Dark Side of the Personal Finance Industry" and a co-author of "The Index Card: Why Personal Finance Doesn't Have to Be Complicated." She has been a columnist for The Washington Post and Slate, and her work has also appeared in numerous other publications, including The New York Times and The Atlantic.