SINGAPORE — When the going got tough on the undulating and rugged paths towards Everest Base Camp in Nepal, lollipops, raisins and cookies kept six-year-old Om Madan Garg going on the once-in-a-lifetime expedition with his parents. "I want to see the whole world," said the Kindergarten two pupil from Canossaville Preschool, whose 65km trek took him past remote villages, Nepalese...