What's an insurgent guerrilla movement to do when it needs funds to sustain its war? India's Naxalites are doing what so many have done before: Turning to the black market in illegal drugs and drug crops.

It's science vs. politics in British drug policy, and the scientists are growing tired of having evidence-based policies trumped by political considerations. Two more members of the government's Advisory Council on the Misuse of Drugs have resigned in recent days over the spat.

Events and quotes of note from this week's drug policy events of years past.