jamyu, los angeles. >> the "cbs overnight news" will be right back.his unplugged device is protecting our beautiful coastlines and more. put off chores and use less energy from 4 to 9 pm to help keep our state golden. >>> thursday would have been princess diana's 60th birthday, her sons prince williams and prince harry seemed to put their differences aside ded a new statue in her honor. tina kraus with more from london. >> reporter: in a small, yet monumental ceremony, prince william and harry unveiled a touching tribute to their late mother, princess diana surrounded by her children the memorial in the sken garden where diana lived comes on what would have been her 60th birthday almost 24 years after she died in a car crash in paris, prince william was 15, prince harry just 12 as they walk behind their mother's con heartbreaken and released a statement saying we remember her love strength and character, qualities that made her force fodroor changing countless lives for better. the brothers last saw each other in april, at the funeral for their grandf