On today’s show: Edward Humes traces what happens to the 102 tons of trash that the average American produces after it’s picked up from the curb. Andre Gregory talks about Louis Malle’s last film, which captured a performance of “Uncle Vanya” staged at a crumbling 42nd Street theater in the 1990s. A History of the World in 100 Objects looks at a two-headed serpent mosaic from Aztec Mexico. On Backstory, we look at the controversy surrounding the Texas State Board of Education’s negotiations about what goes into the state’s textbooks, and why it affects the rest of the 49 states. And we'll find out why privacy advocates are worried about a new internet surveillance bill known as CISPA.