Simon Yates is 'the one who cut the rope' in Joe Simpson's award-winning account of their epic struggle for survival in Touching the Void. Afterwards, Yates continued mountaineering on the hardest routes. Perhaps the most testing of all was one of the world's largest vertical rockfaces, the 4, 000-ft East Face of the Central Tower of Paine in Chile. Battered by ferocious storms and almost crippled with fear just below the summit, Yates and...