So What's the Deal with the Neanderthal, Their Demise?

Were contemporary modern humans, you know—the species that lives on to this day, responsible? Or did everything else that was working fine for the Neanderthals' survival, prior to the arrival of the so-called anatomically modern humans, came to a halt for some reason or another?


Introduction: 

The discovery of  Neanderthal remains [see the entry: How are the Media and Schools catching up with