This speech to the Fabian Society disproves Lammy's loyalist credentials unless he is making an inadvertent miscalulation in attacking
Labour's record on social
mobility — surely he must be in the wrong party to be deliberately exposing the divide between their aspiration and achievement from a position of government, and it beggars belief that a serious politician would
undermine their own argument in this way after suggested he himself has been a beneficiary of the process.