ABC The Drum: "Cobalt five" called by RV Stewards to show cause

The frayed and fragile reputation of Melbourne's Spring Racing Carnival hangs on the outcome of hearings in Melbourne today into the "Cobalt five", writes Michael Hutak.

Cobalt, the meteoric element the smarties swear can send a racehorse past its rivals like a hurtling comet, continues to cut a swathe through the ranks of the Australian turf.

A recent rash of charges, hearings and detections related to the apparent cobalt doping of racehorses has left a stench of corruption hanging over the game's already ragged reputation. It's been a busy time of late in cobalt world:

-- Read the rest of our article over at ABC's The Drum