http://www.thegrio.com/2009/11/harlem-is-home-to-several.php

Harlem is home to several legendary African-American political leaders: New York’s first black congressman, Adam Clayton Powell., the city’s first black mayor, David Dinkins, and the dean of Harlem politics, Congressman Charles Rangel.  But suddenly, Rangel faces what his staff admits is a very serious challenge.