Edutainment is the art of combining education and entertainment. Those of us on the other side of 50 can learn how to navigate new possibilities and the complexities of getting older while having some fun at the same time. Oh, yes, one more thing—it’s all happening Thurs. through Sat., Sept. 22 to 24 in Los Angeles. AARP will host Life@50+, a three-day event at the L.A. Convention Center designed to educate and entertain thousands of older adults from around the country. The event is a hodge-podge of programs. You can begin your day with morning fitness sessions with Martina Navratilova or Richard Simmons. In case you were wondering, Simmons says he’s “still sweatin’ after all these years.” Take in “Movies for Grownups” such as “The King’s Speech” and “50/50” or attend the Sept. 23 premiere of “The Way” starring Martin Sheen and Emilio Estevez. Enjoy feature sessions with celebrities such as Carol Burnett with Tim Conway, Tim Gunn of “Project Runway,” Leeza Gibbons, Kareem...