ST. LOUIS — For the second time in three months, a St. Louis jury has ordered Johnson & Johnson to pay a huge award over claims that its talcum powder causes cancer.The jury deliberated eight hours Monday before ordering the company to pay $55 million to a South Dakota woman who blamed her ovarian cancer on years of talcum powder use.In February, another St. Louis jury awarded $72 million to the family of an Alabama woman who died from ovarian cancer, which she said was caused by using Johnson & Johnson&rsquo …