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The gloves are off, as America’s foremost documentary filmmaker Errol Morris (sorry Michael Moore) gets in the ring with former US Defence Secretary Donald Rumsfeld.

In office during 9/11 and the subsequent Iraq war and invasion of Afghanistan, Rumsfeld has, depending on your politics, a lot to answer for.

Morris is no newbie, having taken on Rumsfeld’s decades-past predecessor Robert McNamara in Oscar winner The Fog Of War , which also saw its subject get a to-camera grilling.

But Rumsfeld is slipperier than a tank of eels (the title itself comes from his own brain-bending double-speak), frequently bobbing and weaving around Morris’ oft-ineffectual jabs.

Fascinating and frustrating.

James Mottram is a freelance film journalist, author of books that dive deep into films like Die Hard and Tenet, and a regular guest on the Total Film podcast. You'll find his writings on GamesRadar+ and Total Film, and in newspapers and magazines from across the world like The Times, The Independent, The i, Metro, The National, Marie Claire, and MindFood.