Lawyers are the ones we hire when we need somebody strong and smart and savvy about the system to be our advocate. Right? So you would think that women law partners would have long ago tackled and overcome the gender wage gap in their profession and law firms. But pay disparity and the practices, beliefs and ingrained barriers that keep women two steps behind are as insidious and prevalent in law as anywhere else. At a time when 50% of law school graduates are women, law firms are making a critical mistake to continue ignoring this ugly little secret. Newsweek columnist Jesse Ellison tells the story.