New lawmaker Katie Hill highlights what’s different in Congress: We look and speak like the people we’re there to represent

Washington (CNN)When Katie Hill opened the heavy wooden door to her new congressional office in the Longworth House Office Building, one feeling smacked her in the gut. The thrust of her career has been in non-profits, as an advocate for the homeless. She also embraces the sexist criticism, known as “resting bitch face,” about a serious woman (like her) not smiling while thinking. This isn’t the sort of resume or life story that typically precedes a seat in Congress, but that’s just fine with Hill and the voters who elected her. An unconventional woman, the 31-year-old joins the 116th Congress, the most diverse legislature in history by many measures — gender, race and sexual orientation. Refusing to change is part …