Jazz aficionados have long spoken of an unrivaled collection of the greatest jazz musicians from 1930s, including Louis Armstrong, Benny Goodman, Billie Holiday and Coleman Hawkins. Now, a collection of their greatest live recordings have been discovered and stored at the National Jazz Museum in Harlem, New York. We talk with Loren Schoenberg, the curator of the museum.

[CORRECTION: the original version of this story mentioned "Louise Armstrong," rather than trumpet genius Louis "Satchmo" Armstrong. We regret the error. -eds]

This afternoon a House ethics panel will lay out the charges against Rep. Charles Rangel (D-N.Y.), who, at 80 years old, is one of the longest-serving members of Congress. Rep. Rangel has represented Harlem since 1970, when he ousted the legendary Adam Clayton Powell, Jr. Both men had long, storied careers representing what may be the country’s most famous African-American neighborhood, home to Malcolm X, Marcus Garvey, Langston Hughes, and many others. But a lot has changed in Harlem since Powell, Jr. was elected in 1945. We look back at the history of Harlem politics and the power of the "Gang of Four."

When you see a favorite local retailer close down, you often wonder what might have happened if you'd stepped in to help drive business. A group of retailers in Harlem are trying a new way to stay afloat in the face of the bad economy. In the latest episode of "The Value," Farai Chideya reports on an initiative called The Power of One.