Scientist and "Lucy" discoverer Donald C. Johanson will talk about
his atheism, evolution and how he feels about "Ardi" displacing
"Lucy." FFRF'er John Whiteside will talk about why he underwrote a
billboard blitz in Las Vegas for the Foundation, featuring 10
billboards variously reading: "Imagine No Religion," "Beware of
Dogma" and "Praise Darwin: Evolve Beyond Belief."