How else do you explain two announcements this week? The first, by Michael Wilshaw, boss of OFSTED, the English schools inspections agency, was that they were about to get tough with nursery schools and child-minders. What was previously ‘satisfactory’ will now be deemed ‘requires improvement’. Wilshaw further complained that kids were leaving nursery ill-equipped for statutory schooling. A friend of mine collected her daughter from nursery this week. Concerned that her child seemed unhappy, she asked the staff if she was OK. ‘Absolutely’, came the reply, ‘she hit all her literacy targets today!’ Her child is three years old. Thomas …