A growing number of businesses—including videogame developers, cigarette companies, soft drink producers, liquor marketers, and fast food chains—are feeling the heat from government, the press, and society at large for encouraging harmful consumer habits. But in our free market economy, people are free to choose the products they consume (within legal boundaries, of course).

Where does personal responsibility end and corporate responsibility begin? How does your response change across specific industries? What role (if any) do you believe the government should play?