JACKSON, Miss. —Doctors at the University of Mississippi Medical Center said they have cured a baby suffering from HIV and the breakthrough is reverberating worldwide. Related Woman says ex kidnapped her 18-wheeler overturns off of I-20 3 arrested in Jackson drug bust Grenade launcher found during drug bust Fire hydrant testing begins in West... "There is excitement around this," said Dr. Deborah Persaud of John's Hopkins Children's Center. Doctors across the country are heralding the medical breakthrough in Jackson. "We have, perhaps inadvertently, but in fact, cured the child," said Dr. Hannah Gay, associate professor of pediatrics. "We don't know...