The lawyers who took on the big US tobacco companies, and won, have now set their sights on the food industry. Newsnight's science editor, Susan Watts, asks one of them why he has chosen this particular fight.
Don Barrett likes his opponents powerful, and rich. He is the lawyer whose decade-long battle to force the tobacco companies to admit they knew cigarettes were addictive and pay the medical costs of victims was depicted in the film The Insider .... http://www.bbc.co.uk