Sabrina Tavernise; Linda Greenhouse; Jeffrey Sachs

Journalist Sabrina Tavernise reflects on her time covering Iraq and talks about watching the country descend into terror. Journalist Linda Greenhouse, Supreme Court correspondent for the New York Times, focuses on two big-ticket items for the court, the Guantanamo Bay case and the punitive damages against the tobacco industry. Jeffrey Sachs of The Earth Institute at Columbia University discusses the two issues he has dedicated his life to, world poverty and the global environment.