Today is Equal Pay Day, created 20 years ago to call attention to the gap in wages between men and women. It would take an extra four months to this day for a woman to equal a man’s yearly salary. There have been significant attempts to close the wage gap in recent years. Pay equity was one of the first pieces of legislation signed by President Obama back in 2009, and last year California passed the toughest wage parity law in the nation. Is it working?