A Photograph That Became a National Lesson There are political moments that do not shout mdash; they quietly wound .

It’s likely you’ve heard of the Pareto principle (maybe even while reading my tips on how to be more productive at work or study more effectively). But do you really know what the Pareto principle is?

Jennifer Simonson is a business journalist with a decade of experience covering entrepreneurship and small business. Drawing on her background as a founder of multiple startups, she writes for Forbes ...