Walker Jared Tallent finally gets London 2012 gold after Russian doping scandal

Australian race walker Jared Tallent has finally moved up a place to gold medal position on the London Olympics podium - nearly four years late and half a world away.
Tallent originally won silver for the 50k walk at the 2012 Games, behind Russian Sergei Kirdyapkin. Kirdyapkin later received a three-year ban by the Russian anti-doping agency, though contentiously, the sanction did not cover his Olympic result.