California Sen. Dianne Feinstein announced she will not run for reelection in 2024 and will continue to serve out her current term in office. Feinstein, who turns 90 in June, is the oldest member of Congress. She was first elected to the Senate in 1992 and became the first woman to become the top Democrat on the Senate Judiciary Committee. She was also the first woman to chair the Senate Select Committee on Intelligence in 2009. Several Democrats have already started Campaigning..