Arianna Huffington: Virginia Tech Aftermath: Did Legal Drugs Play a Role in the Massacre?

Reports that Cho had been taking antidepressants once again turn the spotlight on the uneasy question of what role these powerful medications might have played in yet another campus massacre.

It's the same bloody-morning-after question I've been asking since 1998, when we learned 15-year old Oregon school shooter Kip Kinkel, who opened fire in his school cafeteria, had been on Prozac. Nearly ten years -- and numerous school-shooters-on-prescription-meds -- later, we're still waiting for answers.