Preview 4/9: Guns, Genocide, Special Needs, Itzhak Perlman

The short video "Voices from Within" from Dateline NBC producer Dan Slepian addresses gun violence, a discussion of the 100-year anniversary of what most scholars call the Armenian Genocide, an internship program that connects special needs students with job opportunities, and virtuoso violinist Itzhak Perlman talks about legendary violinist and American Masters subject Jascha Heifetz.