Just six months after issuing its latest warning about chicken jerky dog treats made in China, the Food and Drug Administration confirms it has logged more than 900 complaints from pet owners who say their dogs either were sickened or died after eating the treats. The number of complaints has nearly doubled since the story was first reported by ABC News in March. The FDA says its investigation is ongoing and that it continues to test samples of the popular treats, which dog owners across the country say have caused kidney failure in their pets, resulting in severe illness or...