Prince William has said Kate Middleton's bedtime reading has become so extensive that he is 'fighting to get past' the paperwork in their bedroom, offering a domestic glimpse of how seriously the Princess of Wales is treating her early years brief after her recent Italy trip. Speaking on Heart Radio from the Isles of Scilly last week, William described Kate as 'a proper pro on early years' and said she returned 'buzzing' from Reggio Emilia, wher…