By Simon Evans MANCHESTER, England (Reuters) -After one of the greatest of Champions League semi-finals, Manchester City will take a 4-3 lead into the second leg of their tie against Real Madrid following an extraordinary encounter at the Etihad Stadium on Tuesday. A breathtaking and relentlessly fast game, packed with chances, moments of individual brilliance and a smattering of defensive lapses, was a treat for the spectators but leaves City, who had the better of the game, with the slenderest of leads to defend at the Santiago Bernabeu next Wednesday. City took the lead after 94 seconds, th…