<prompt> Translate the following text to SwahiliThe programmatic impact of the King Center across the last decade has been somewhere between small and nonexistent, says David Garrow, who won the Pulitzer Prize for his King biography, Bearing the Cross .  <response>: Mfano wa King Center ni kushindwa kwa watu wengi, anasema David Garrow, ambaye alishinda tuzo ya Pulitzer kwa kitabu chake cha maisha ya King, Bearing the Cross. 