Senators John Kerry, Diane Feinstein and Barbara Boxer are urging the Food and Drug Administration to test a wide range of lipstick brands for the presence of lead, to publicly report their results, and to limit lead in lipstick and other cosmetics products to “the lowest detectable levels found in laboratory tests.” The action by three U.S. Senators comes on the heels of a report last month by the Campaign for Safe Cosmetics, which found lead in 61 percent of 33 lipsticks tested....