Found little common ground. >> the bottom line is that as a christian, i have a foundation, but as a christian, i would ask bill a question, what would change your mind? i mean, you said even if you came to faith, you'd never give up believing in billions of years. >> we would need one piece of evidence, a fossil that swam from one layer to another, the evidence that the universe is not expanding, the evidence that the stars appear to be far away, but they are not. >> those are basically the ways the arguments went. joining me now, an associate science editor for "the huffington post" who watc...