Six months ago, at least 2,500 Indians were killed and thousands more injured in the world's worst industrial disaster. After the gas leak at the Union Carbide plant, the people of Bhopal are still trying to rebuild their lives while the company is learning to live with the stigma of the tragedy. On the sidelines, the lawyers and politicians are bickering over questions of blame and compensation. As Nick Clarke reports from Bhopal, there's a sense throughout the chemical industry of 'there but for the grace of God ..."