Last week’s deadline did not allow me to report from ringside at the Mansion House dinner, but there was so much to observe that I hope you’ll forgive a late dispatch. What a vivid guide to City psychology and precedence it offered.

In the anteroom, Lord (Jim) O’Neill, the Treasury’s new Northern Powerhouse minister, could be seen chatting to ex-BP chief Tony Hayward, now chairman of mining giant Glencore Xstrata.