The executive committee of Russia's suspended athletics federation resigned on Monday and transferred its authority to a working group designed to lift the organization out of a 4-1/2-year doping crisis, the federation said. Russia's athletics federation was suspended in 2015 after a report commissioned by the World Anti-Doping Agency (WADA) found evidence of mass doping among the country's track and field athletes. The federation was plunged into deeper crisis when ...