Martina Navratilova hails 'cool' Naomi Osaka: She is not someone you can dismiss as just a liberal

Tennis legend Martina Navratilova has praised Japanese star Naomi Osaka, who was recently named Sports Illustrated Sportsperson of the year, for her powerful comments on equality and social justice.

According to tennisnow.com, Navratilova wrote in her column: "Naomi came to understand the power of fame well and learned how to...