Speaking at last week's Childcare Futures conference, organised by the Daycare Trust, deputy mayor Richard Barnes said: "The Greater London Authority will be sitting down with London Development Agency and London Councils very soon so we can map demand, provision, need and rental costs to get the true picture of what is happening across London". Shireen Ritchie, deputy chair of London Councils' children and young people forum, said: "Perhaps we can persuade people...