“As sure as pale tourists will flock to Copacabana Beach, some athletes at the Rio Games will cheat — and most likely, only a few will be caught.

Just because some drug cheats may leave Rio with shiny new medals doesn’t mean they should mount them permanently in their living rooms.

As dozens of athletes from the Beijing and London Games are finding out, samples from the Olympics are stored for a long time — 10 years, currently. Those samples can be retested, and athletes punished, whenever a new detection method becomes available.”