The 2022 Australian Open is set to begin on Jan. 17, and it might take place without one of tennis’ biggest stars. Srdjan Djokovic, father of Novak Djokovic appeared on Serbian TV over the weekend to go on a mammoth rant against Australian officials, who are requiring all players at the tournament to be vaccinated prior to entering the country. Srdjan’s comments began with the common refrain that vaccination is a personal choice, and that the Australian Open shouldn’t have a say in what his son does with his body. Then, things went out the window. “As far as vaccines...