DO PEOPLE STILL REMEMBER Betty Broderick? She was the San Diego career stay-at-home mother—I see no oxymoron there—who killed her ex-husband, Dan, and his new wife in 1989. She tried to position herself as an Everywoman who’d been discarded for a younger, thinner model. But the stubborn fact remains that she drove to her ex’s home with a gun, then shot him and his wife while they slept. This came after a contentious separation and divorce that took several years, with plenty of bad behavior on both sides. The real-life details of the case are much worse than what was dramatized, quite memorably,