(WTMJ) - An 11-year-old Wisconsin boy is relearning how to walk and talk after waking ... They had no idea how serious it was ...

MILWAUKEE (WTMJ/CNN/CNN Newsource/WKRC) - An boy was placed in a medically-induced coma after a routine tonsil surgery. What was supposed to be a routine tonsillectomy for 11-year-old Liam Klaver ...