[LETTERS] Geopolitical bias dangerous for anti-doping efforts

If anyone really believes Russian doping is any more prevalent than that in the West they need another think coming. Professional cycling, including its most prestigious tournament, Tour de France, is so doped up to its gills in EPO and other hard to detect designer drugs it should, for instance, really be designated as a competition among pharmaceutical suppliers (i.e. 'My dope is better than yours!').