Who can best stand the heat will sort the winners from losers at the World Cup

In today’s newsletter, how quick starts, keeping the ball and banking on the bench will help the finalists beat the high temperatures and humidityGraeme Souness is one of the toughest footballers of all time, a midfield titan for Liverpool and Scotland in the 1970s and 1980s. He was occasionally outwitted by subtler players such as the Brazilian genius Zico, but no opponent ever got the better of him physically.No human opponent, anyway. During the 1986 World Cup in Mexico, Souness lost a stone...