US, in the Spotlight

From gridlock in L.A. (did you know that, 100 years ago, it had the largest urban rail network in the world?), to our mountains of food trash (according to the EPA, food trash is the largest component of solid waste in our landfills), to a look at how the Peeps factory deals with its very seasonal demand, to much, much more ~ it's a font of fascinating information about US. (Unfortunately, you have to wade through a Dow Chemical commercial before each presentation.) (videos): http://www.pbs.org/america-revealed/