Rep. Adelita Grijalva signed a discharge petition to eventually trigger a vote to release files related to Jeffrey Epstein, giving it the needed 218 signatures. Grijalva’s seating brings the partisan margin in the House to a narrow 219-214 Republican majority. | AP

What if your immune system started attacking you, instead of protecting you? The Associated Press is looking at autoimmune diseases, the immune system's dark side. | AP