Despite Massachusetts’ historic leadership on pay equity ­— in 1945 it became the first state to require equal pay for comparable work —­ the gap between men’s and women’s salaries here is now among the biggest in the country.

http://www.boston.com/news/local/massachusetts/2012/12/10/massachusetts-women-forefront-pay-gap/GgRg7bLVbAWMKqCpae3trK/story.html