Kojo Nnamdi, long-running D.C. radio host, is retiring from daily show after 23 years Paul Farhi, The Washington Post Jan. 13, 2021 FacebookTwitterEmail Kojo Nnamdi hosting his WAMU-FM radio show in 2011.Washington Post photo by Sarah L. Voisin WASHINGTON - Kojo Nnamdi, a fixture on Washington's radio airwaves and an influential factor in the region's politics, will retire from his daily program on WAMU-FM, the public station announced Wednesday. Nnamdi, 76, will continue to host his Friday program about local politics, "The Politics Hour" and irregular "Kojo in the Community" special live panel programs, but will step down from daily broadcasts in April.