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Mariana Nanez (L) Esmeralda Garcia (C) and Judith Merillo members of the all-female strolling Mariachi band Ellas Son rest between performances for some beer at the Los Angeles Farmer Market during Cinco de Mayo festivities on May 5, 2011, in L.A.
National Hispanic Heritage Month got underway this past Sunday. The celebration recognizes the contributions and culture of Hispanics in the United States. For more on the history of the month and how it came to be we're joined by Robert J. Lopez, multimedia investigative reporter with the Los Angeles Times.