Why didn't science writers jump all over the medical marijuana story after CNN's Sanjay Gupta announced his change of heart on the issue two weeks ago? Tabitha M. Powledge poses that question in this week's installment of On Science Blogs: "Surely this is an opportunity for in-depth investigations on a great many topics that the eventual widespread availability of Cannabis will affect," Powledge writes. "But it hasn’t happened. Not yet anyway."
.png)
