Shirley Chisolm, Jesse Jackson and Barack Obama represent the evolution of black presidential candidates.
Barack Obama is on the cusp of becoming the first African-American presidential candidate to run in a general election, but he is not the first to try. Ron Walters and Clarence Page join Farai Chideya to discuss the black politicians who have eyed the highest office in the land.
Walters is a professor of government and politics at the University Of Maryland and author of Freedom is Not Enough. Page is a Pulitzer Prize-winning syndicated columnist for the Chicago Tribune.