Sissy Spacek thinks luck has played a big part in her success. The 72-year-old actress has won numerous accolades during her career, including an Academy Award and three Golden Globes – but Sissy believes she’s also been the beneficiary of some good luck. She shared: “I … I know really great artists. And so much of my success has been because I’ve been at the right place at the right time.” Sissy has starred in a host of successful movies during her career, including Terrence Malick’s crime film ‘Badland’ and the Oliver Stone-directed ‘JFK’. But she believes that there are many other actresses…