A 20-year-old Minnesota mom is facing charges for the alleged drowning of her own child and disposing of the baby’s According to court records filed on Friday in Hennepin County, Esperanza Rae Harding, 20, is charged with one count of second-degree murder. The investigation into the disappearance of the child led the authorities to Children’s Hospital on March 6. Read: Boeing Whistleblower John Barnett Found Dead In His Truck At South Carolina Hotel Parking Lot Harding initially claimed that her child had died of natural causes at the hospital, but there was no record of the child being admitt…