Author and activist Michael Pollan has cautioned us not to eat anything our great-great-grandmothers wouldn’t recognize as food, but when it comes to the practical business of manufacturing food safely, the world changes faster than that.
If you could go back just 20 years, you would see the first genetically modified crops growing without much controversy, food microbiology working to trace outbreaks without the benefit of molecular methods, public health campaigns to encourage getting the…