HONG KONG -- Ray Cordeiro considers himself the luckiest radio DJ in the world.In a storied career spanning over 70 years in Hong Kong, Cordeiro has interviewed superstars including the Beatles and Elton John, and even received an MBE — an order of the British empire for outstanding achievement or service to the community — from Queen Elizabeth.Cordeiro, who holds the Guinness world record for the world’s longest-working DJ, retired last month at the age of 96.“I’ve been talking all my life