www.thinkprogress.org/economy/2014/04/08/3424043/gender-wage-gap-myth/
"Tuesday is Equal Pay Day, the symbolic day by which women supposedly have put in enough extra work to catch up to what men will make in a year. That’s because even when they work full-time, year-round, they still make 77 percent, on average, of what similar men make. But conservatives have recently argued that the pay gap is a myth because various factors like education, job choice, and career paths can explain some of that 23 percent gap. It’s true that the gap represents many factors. Yet even when they are all taken into consideration, here’s why we know there is still an unfair difference between what women and men make"
