TOKYO: Japanese tennis star Naomi Osaka lit the Olympic cauldron as the Tokyo Games opened on Friday after a year’s pandemic delay and lingering coronavirus threats.Osaka lifted the torch to the gleaming cauldron, which had unfurled at the top of a ramp representing Mount Fuji, in the highlight of a ceremony that was stripped back over virus fears.Japan’s Emperor Naruhito officially opened the Games in an eerily empty Olympic Stadium, after Covid-19 forced organisers to ban spectators at...