Only a few years ago, it seemed like the entire world was certain that fat was going to kill us. From the perspective of a population that was suffering from extreme weight issues, soaring cholesterol levels and an epidemic of heart disease, cutting out fat seemed to be the logical thing to do. If ever there was a usual suspect, fat had to be it: it was energy dense (all those calories in a single tablespoon!), full of cholesterol (the stuff we see in clogged arteries), and it tasted really ...