Bisphenol-A has an image problem. The chemical, known as BPA, has been linked to health problems ranging from cancer to obesity. But as lawmakers from Capitol Hill to California consider banning BPA in some products, industries that use it to line the cans of food and beverages are mounting a campaign to persuade the public that BPA is safe. Lyndsey Layton, staff writer for the Washington Post, talks with host Steve Curwood about the private, strategic meeting industry executives held to defend BPA.