# Dianne Feinstein Dianne Feinstein was a U.S. Senator from California and member of the [[Democratic Party]] who served from 1992 until her death in September 2023 at age 90. She was one of the longest-serving senators in American history, chairing the Intelligence and Judiciary committees during her tenure. Feinstein became a prominent example of [[Gerontocracy]] in American politics after reports of significant cognitive decline in her final years, during which colleagues and staff reportedly managed her duties. The controversy around her refusal to resign fueled broader debates about age, term limits, and fitness for office across American government—debates that intensified during the [[2024 Presidential Election]] cycle.