I was interested to read the thrilling news published by the Building Societies Association (BSA) that 42% of Britons see mortgage finance as a barrier to buying a house. Anothe case of G.O.B.O. - Glimpse of the Blindingly Obvious. Some of my friends who didn't attend an approved school with me often say G.O.F.O. - I wil let you work that one out. What always intrigues me about these surveys is the...