When Google revealed it would take $500 million first-quarter charge ahead of "potential resolution of an investigation" by the United States Department of Justice, the company offered few details. A three-line non-explanation pointed the finger at "advertising by certain advertisers." Now The Wall Street Journal reports that the mysterious half-billion-dollar hit may stem from advertisements placed by "rogue online pharmacies" that break US laws. The DOJ investigation has focused on whether the search behemoth knowingly accepted ads from shady pharma sites, but it's unclear whether those sites sold counterfeit or expired drugs, failed to require doctor's prescriptions, or bot
