Aussie basketball legend Lauren Jackson just wanted to be able to go to the gym and pick up her kids again, but thanks to medicinal cannabis she's preparing to play in the World Cup an astonishing 25 years after making her debut. At 41 years young, Jackson was lured out of international retirement in June ahead of the FIBA World Cup here in Australia, which begins on September 22. It's a fairytale return for Australia's…