The annual Smithsonian Folklife Festival began yesterday, and continues this weekend through Sunday, as well as next Wednesday, July 1 through Sunday, July 5. As we mentioned back in February, this year’s themes are “Giving Voice: The Power of Words in African American Culture,” “Las Américas: Un Mundo Musical/The Americas: A Musical World,” and “Wales Smithsonian Cymru.” The festival runs from 11 a.m. to 5 p.m. daily, with special evening events on some days….