The Flying Scot in full roar: Flickr photo of the day

Today marks the 73rd birthday of Sir Jackie Stewart, a three-time Formula 1 champion who went on to become a Scottish voice of reason in the sport. Age doesn't sit well with every driver, and Stewart's work off the track mattered more than his racing career, but it's still electrifying to see him behind the wheel, as in this shot from Bleuchoi of Stewart in his 1969 Matra F1 car. If you have a photo to share,