Is conscience a reliable guide for ethics? (part 1 of 3)

As a seven-year-old, Dr David Whitten recalls his family holidaying at Katoomba’s Hydro Majestic Hotel. When the waitress served his breakfast of fried eggs, he noticed “something next to the eggs that looked like thin, crisp meat and was the source of a wonderful aroma.” “We don’t eat bacon,” his father said, and the waitress …