Australia seal gold as Great Britain miss podium in women’s rugby sevens

• Canada beat GB 33-10 to win bronze medal• Australia see off New Zealand 24-17 to take goldGreat Britain’s inexcusable inability to keep their heads was a major source of their downfall on a disastrous finals day in the inaugural Olympic women’s rugby sevens tournament won by Australia.Simon Middleton’s side had three players sent to the sin-bin, two contemporaneously, across a pair of matches as they went from genuine gold medal hopefuls to distraught bronze medal match losers at the Deodoro Stadium. To add ignominy to indiscipline, they missed out on a podium place after getting slaughtered…