Avian Flu; Ray Kurzweil

First, a conversation about Avian flu with the director of the National Institute of Allergy and Infectious Diseases, Dr. Anthony Fauci. Then, epidemiologists Jeffery Taubenberger, Irwin Redlener, and Nils Daulaire discuss the likelihood of an Avian Flu pandemic and what preparations are necessary. Inventor and author Ray Kurzweil describes the way he is able to predict trends and shares his new book, "The Singularity is Near: When Humans Transcend Biology."