When Christina M. Tchen was executive director for the White House’s Council on Women and Girls, she and her colleagues made progress on a host of issues related to women in the workplace, Tchen said.The Lilly Ledbetter Fair Pay Act might be the most famous, but Tchen also touted an executive order prohibiting federal contractors from retaliating against employees who discussed compensation as ways the Obama White House opened up conversation about women at work.The stances Buckley Sandler LLP has taken on many of …