Training or Natural Talent?

A recently published poll focused on the question of whether great teachers are born or made.  The poll asked whether those responding believed that natural ability was more important in the classroom than teacher training.  You can read an article here:http://www.deseretnews.com/article/700174113/Poll-Great-teachers-born-that-way-not-taught.html
I'd be really interested to know the thoughts of other teachers on this question?  How important is training?  What about advanced degrees?  Is natural teaching ability as important as training?  Where does experience fit into the picture?  Read the article, then leave a comment on this blog!