As the independent bar in Scotland, the Faculty of Advocates is by necessity a reserved and disinterested body. It does not issue letters like the one that has gone out this morning to Karen Adam, the convenor of Holyrood’s equalities, human rights and civil justice committee. The correspondence takes issue, in blistering terms, with the conduct of Adam’s deputy, Maggie Chapman, a Green MSP and one of the most vocal proponents of gender identity ideology in Scotland.