The image of Pep Guardiola flat on his back in the technical area is destined to be one of the great studies in sporting torment, the Premier League equivalent of Basil Fawlty thrashing a defenceless Mini with a tree branch. His hands to his temples, his smart black shoes pointing at the sky, he could not fathom how his Manchester City side had relinquished three winning positions in a single game. Neither could the 50,000 home fans here, many of whom stared at each other in disbelief, as if the