Yes, worth a listen. I've read his book, as I've posted earlier.A Google search provides not a single MSM review of his book "A Missfirt in Moscow

https://www.ft.com/content/90185a02-8107-47c0-ae6f-b06e88b796b5

Has an open letter with Ian Proud as one of the co-signatories (others include Sir Anthony Brenton and Jack Matlock) urging a ceasefire and negotiated settlement, though following this letter are others in reply saying this is just "blindness to Russian goals"

When you see how Keir Starmer has ployed his hand as one of NATO's greatest enthusiasts, there is no hope for any early resolution, he just seems to be keen to keep digging the trenches.