Their parodies of Dow Chemicals, Halliburton and the US Chamber of Commerce have propelled activist duo Andy Michlbaum and Mike Bonanno into the spotlight. They've gotten under the skin of corporate America - but what's next, asks Sarah Bentley?
A twenty-five year wait for first convictions relating to the gas leak at Bhopal chemical plant in India ends, but the contamination of the local environment and population continues