and scientists need no more convincing.
Again, another over generalization. He later talks about how almost 50% of people still don't believe in evolution. Are there no scientists included in that? What about the scientists at Answers in Genesis and the many other pro-creation and intelligent design organizations? Admittedly, the majority of scientists believe in evolution - or at least they will say they do. This may be because any other thought in the scientific community is crushed and you are completely ostracized for descent from the evolutionary agenda.
