With Bolt and Gatlin being the best male sprinters of Jamaica and the USA it is worth examining the performance of both for possible answers about the effectiveness of national drug testing programs.
For a start, booing people has a long tradition in Australian sport. Umpires cop it every week. Politicians have almost stopped going to sporting events because they get booed so enthusiastically.
But sports drug testing has indeed improved, at least for elite sportspeople subject to stringent testing under the WADA code, as evident by superstars of sport being caught in recent years.
Cricket is the sport of the talented broadcaster, the forensic examiner who doesn't merely dissect a game as it takes place, but ponders its evolution.
If imitation is the sincerest form of flattery, the late Australian cricket champion and commentator Richie Benaud must have been one of the most flattered men in the sporting world.
Just as Marx thought, with some justification, that religion kept people in their place, sport has the same narcotic influence on populations. It promotes a shallow tribalism and distracts us from the real concerns of life.
During 2012, the International Powerlifting Federation had a positive test result of 4.6 per cent for the total 2218 tests it conducted.
What he should not have done is to use the tragic death of Phil Hughes to mount a personal attack on the entire Australian cricket team.
Only a miniscule minority who are currently grieving ever met the man, let alone knew him well.
Even the Google landing page, the online world's most militantly uncluttered site, displayed his commemorative image of a bat leaning against a wall, casting its melancholy shadow.
The Coalition for the Protection of Racehorses (CPR) is urging the public to ask whether the glamour of horseracing is worth the cruel deaths of horses every year.
Australia's decline as an athletic nation has continued at the Edinburgh games.