How to Get “Safe Energy Forever: Pure Water for the World and a Cure for Cancer”Amazon: $12.95 paperback, $3.99 KindleContact author David Halbert: 325-668-6016 By LORETTA FULTON David Halbert has a simple favor to ask, and it won’t take but a minute. The favor concerns a book he wrote, “Safe Energy Forever: Pure Water for the World and a Cure