As the co-chair of diversity and inclusion initiatives for General Electric Corp.’s global legal department, Raquel B. daFonseca has a dual mandate. She is focused on fostering an in-house department where all races, ethnicities, sexual orientations and genders can succeed. And she works with outside counsel to ensure that diverse attorneys — in the broadest sense of the term — are working on GE’s matters. While those two agendas are not in conflict, daFonseca said she realizes law firms face …