The Love of Candy Almost Drove a Cactus Extinct

You might not associate cacti with candy -- on the surface, they seem to have very little in common, mainly because candy is sold in stores around the world, and cacti have a well-deserved, literally prickly reputation. Yet not too long ago the US was in the midst of a genuine cactus candy craze, one that almost drove the poor barrel cactus to extinction.