Milestones

Ten years ago: More than 50,000 Israelis demonstrated in Tel Aviv to protest the treatment of Palestinians in the occupied territories.

Five years ago: FBI Director William S. Sessions dismissed a Justice Department report accusing him of ethical abuses, accusing former Attorney General William P. Barr of a “crassly calculated attack.”

One year ago: Cancer experts who were supposed to settle a furious controversy over whether women should start having mammograms at age 40 or 50 decided instead to leave the decision up to patients.