The BPA MythEnvironmentalists are unbendable on plastics. On Thursday, April 1, Time published a list of the “ten most common household toxins,†focused on plastics. It claimed, “Chemicals in plastics and other products seem harmless, but mounting evidence links them to health problems — and Washington lacks the power to protect us.†Top of the list was Bisphenol A, or BPA for short. BPA is an important ingredient in many of the plastic products that have made modern life inexpensive and convenient. BPA is used to make shatterproof water bottles, CDs, food and beverage cans, sporting equipment, eyeglass lenses, and...