Johnson & Johnson is pulling baby powder containing talc worldwide next year after it did the same in the U.S. and Canada amid thousands of lawsuits claiming it caused cancer.Talc will be replaced by cornstarch, the company said.The company has faced litigation alleging its talcum powder caused users to develop ovarian cancer, through use for feminine hygiene, or mesothelioma, a cancer that strikes the lungs and other organs.J&J insists, and the overwhelming majority of medical research on talc indicates, that the …