You did not need to see George Russell ’s face to know exactly how he was feeling. The sight of the Mercedes driver tossing his headrest cover out of his cockpit following his retirement 29 laps into this race, whacking his car in despair, before chucking his gloves and HANS device to the floor, pretty much summed it up. Fans around the world were probably feeling exactly the same. What a battle we had been treated to by Russell and his young Italian team-mate Kimi Antonelli . Just as they had the day before in the sprint race, the two Mercedes drivers had gone wheel-to-wheel, lap after lap, passing and repassing each other. Oh Canada, indeed. If only it could have continued for another 38 laps. But what a hammer blow, too, for Russell. Having worked so hard to keep Antonelli behind him during that opening stint, for his power unit to then give up the ghost, costing him 25 precious points in the title race, was unbelievably cruel.…