The primary contest helped both of the historical causes, though some tensions erupted.
Benjamin Jealous was chosen amid divides over how to reenergize the organization.
Obama's former pastor launched a public-relations blitz.
Hearings on the constitutionality of a D.C. gun ban begin Tuesday. The Supreme Court is looking at the Second Amendment for the first time since 1939.
For kids: US Supreme Court justice Thurgood Marshall was the first African-American to be appointed to the highest court in the land.