After an Alabama mom’s kindergarten son insisted he had a twin at school, the boy’s teacher decided to send her a photo so she could see her child’s “lookalike.” When she saw the photo of her boy and his twin, she had a very emotional reaction. Britney Tankersley with her family (Photo Credit: Facebook) Britney Tankersley wasn’t quite prepared when her son, Myles, told her about his last-minute plan to dress like one of his peers for “Twin Day” …