MEMPHIS, Tenn. - Medicaid will soon cover the cost of diapers for the first two years of a child’s life in Tennessee. “The cost of diapers is outrageous,” said Linda Buckingham as she held her 1-year-old niece. “It’s ridiculous, really.” “It will help my mom a lot,” said Treazon Ali. “It will help my sister a lot.” Tennessee will become the first state to cover diapers under Medicaid, according to the National Diaper Banks Network. “That is so cool,” said Machelle Jackson, a 10-year-old shopping with her mom. “I feel like it's cool for the parents that really don't have...