Pelosi’s retirement announcement could open floodgates for a wave of new candidates

By Arit John, CNN (CNN) — Former House Speaker Nancy Pelosi’s decision not to seek reelection next year could open the floodgates on the race to replace her. Pelosi, who has served in Congress since 1987, already had two primary challengers ahead of her Thursday announcement: Saikat Chakrabarti, a former chief of staff to US