This is Iain Martin’s weekly newsletter, exclusively for Reaction subscribers.

I’ll keep this short rather than spiralling off into an endless essay in the style of Dominic Cummings, the former guru to Boris Johnson now expelled from government and even more furious with the world than he used to be. Let’s not dwell on him too long when there is so much else going on in the world.

Cummings gave evidence last week at Britain’s Covid Inquiry. It was a frustrating session. His written evidence contained many useful insights into Whitehall’s shortcomings during the pandemic. Understandably, most of it was obscured by the focus on his swearing in WhatsApp and on emails.