It's been 40 years since we lost Elvis Presley, but Priscilla is keeping his memory alive. While speaking with Et on the anniversary of his death (Aug. 16), Priscilla reflected on the life she once shared with the rock and roll superstar. "A devastating time for myself, and of course, the world, to hear the news, and it's still unbelievable because he's so much a part of our lives - my life and my daughter's [Lisa Marie] life and everyone around him," she said. Priscilla was married to Elvis for six years before they officially divorced in 1973. When Elvis passed away in 1977, she found about about the heartbreaking news from his road manager, Joe Esposito. "My sister and I were going out for an appointment and she stopped me in my feet as I was picking her up . . . and Dad called and said Joe Esposito was trying to reach you and try to talk to you,...