It's a benchmark that's been around for decades, but with no constitutional basis or legal deadlines, what is the history of the political milestone -- and why is it observed? Today's show offers a non-partisan look and also marks anniversaries related to the Louisiana Purchase and the Vietnam War. The young musicians in part of West Africa, the chocolate gorillas aiding in Congolese park conservation, and the barefoot gator wrangler who helped officers in Florida are our other topics.