` It 's the kids who have it toughest , '' said Canto . Bronze medalist Flavio Santos helps young people through free education . More than 1,000 Rio de Janeiro youths are enrolled in his Reaction Institute . He teaches discipline , discipline , courage and determination , he says . Do you know a hero ? Nominations are open at CNN.com / Heroes .
Bronze medalist Flavio Santos helps young people through free education . More than 1,000 Rio de Janeiro youths are enrolled in his Reaction Institute . He teaches discipline , discipline , courage and determination , he says . Do you know a hero ? Nominations are open at CNN.com / Heroes .