Terry Gross

Senior analyst for the Violence Policy Center Tom Diaz says one of the weapons found at the site of the Newtown, Conn. shooting was a variant of a type of gun developed for troops in Vietnam.

In his new film, Sopranos creator David Chase tells a coming-of-age story about Jersey boys in the 1960s who dream of riding the wave of the British invasion all the way to stardom. Chase teams up with Steven Van Zandt -- of the E Street Band and The Sopranos -- to make the movie's music rock.

Austrian actor Christoph Waltz won an Oscar for his portrayal of Nazi Jew hunter Hans Landa in Quentin Tarantino's 2009 film Inglorious Basterds. Teamed up with Tarantino again in Django Unchained, he says Tarantino's writing and the rhythm of the language speaks to him as a performer.