Nathan Hales kept his head while all around him lost theirs to claim a nerveless Olympic shooting gold. Hales, from Chatham, was the iceman in searing near 40-degree temperatures in Chateauroux, over 200 miles south of Paris. Rivals wilted but he stayed mentally and physically strong – smashing the Olympic record in the process as friends and family, including partner Charlotte Kerwood, a double Olympian, watched silently on before exploding with joy. Hales’ success was Great Britain’s first Olympic shooting gold in 12 years, after Peter Wilson’s win in the double trap at London 2012 and the f…