Christopher Lamb is correct (interview with Archbishop Justin Welby, 21 June) to emphasise that despite the changed context in which our ecumenical relations are now being pursued, it can never be a matter of either shared social mission or formal dialogue towards full communion but always a necessary both/and. It is surprising, then, that the second editorial repeats the somewhat tired suggestion – sounding in various quarters since the 1980s – that the focus on formal, structural ecumenism has run into the ground and needs be refocused instead on conjoined witness against “manifest injustices”.In contrast, as Philippa Hitchen had already identified a week earlier (“Road map for dialogue”, 14 June), the dual conviction behind receptive ecumenism is tha