Because you read the Union Tribune, you probably enjoy, as I have for four decades, Greg Evans’ daily comic strip “Luann.” But you may not know that Greg and his wife Betty have resided in San Marcos for 45 years, where they continue to receive the paper version of the U-T delivered to their home. Greg grew up near Disney Studios in Burbank. He frequently rode his bike to the studio gate, dreaming that Walt would come out and hire a seven-year-old. Greg began creating and submitting comic strip ideas to syndicates, collecting an impressive pile of rejection slips. One day, watching his six-year-old daughter Karen play dress-up-like-a-grown-up, he imagined a strip about a young teen girl. Hilarious and wonderfully