Human Exceptionalism

http://www.ancientfaith.com/podcasts/faithencouragedlive/human_exceptionalism

Why are humans not mere mammalian beings? What makes us different? And if we make ourselves equal to animals what happens to our quality and quantity of life, ontologically and existentially?

Do we dare to go there? Some have taken this logic to its ultimate conclusion. What are the ramifications of this logic and what does it mean for our humanity as we move forward into the 21st century?