I subscribe to the Pew Research mailing list and thought this might be a timely and interesting topic. If I've set it up right, there should be a linked graph in this topic as well as a link to the article on the Pew Forum site.

I am going to consider this thread Entertainment, and just sit back and read, while swilling my coffee. 

Is homo sapiens doomed by it's stupidity?  Are we really losing our edge?

What's in the balance?