Diane Abbott says a wealth tax of 2% on people with assets over £10m would raise £24bn a yearAmanda Spielman, the former head of Ofsted, has accused the government of putting the interests of teaching unions ahead of the needs of pupils.In an article for the Daily Telegraph, she launched a wide-ranging attack on the eduction secretary, Bridget Phillipson, arguing that her policies would put educational improvement in England into reverse.There is much interest from other countries in what has been achieved in England, and in learning from us. Just in the past year I have been working in Flanders