By Samuel Wightwick & Rom Preston-Ellis This is the heartwarming moment a little girl was given a brand new iPad after her previous tablet was stolen. Two-year-old Gracelyn Stiffler, who has a type of brain tumour called a grade 2 Ependymoma, was at a medical appointment with her mum Catherine, 28, when her tablet was taken from her luggage wagon in the hallway. Catherine, an office manager from Calhoun, Louisiana, USA, didn’t even notice it was gone until she got an email about a password reset. She said: “The rooms where we have our appointments are far too small to take in a big wagon so I …