Tennis star Novak Djokovic returned to Australia on Tuesday, a year after being deported for not being vaccinated against Covid-19. Widespread media reports said the Serbian had landed in Adelaide, where he will play in a warm-up event starting on January 1 ahead of the Australian Open (January 16-29). The 35-year-old was deported at the start of 2022 after he entered Australia without a coronavirus jab. He had sought an exemption but the government sent him packing after ruling he was a danger to society given his anti-vaccine stance. Since then, Australia has lifted its vaccine mandate for t…