March 19th 2000 was one of the great days of Irish sport. I stood with a cameraman in the Stade de France in Paris and watched Brian O’ Driscoll score three tries. During the final one the French audience cooed in admiration as the 21-year-old darted like a dervish under the posts.   A Dublin man with that same name, Brian O’Driscoll, deserves his place in our history. He was heroic too, in a completely different way and over a longer period.   On Wednesday July 21st, 1976, he was a locally-hired member of staff at the British Embassy in Dublin. …