A researcher who sees cloning as one tool to be used in saving endangered species said scientists should keep open minds.

Even though the United States has the most extensive disease surveillance and response system in the world, there are gaps in its ability to detect outbreaks early, as the 1999 West Nile virus outbreak illustrated.

James Pinkerton argues that the U.S. should build up the capacity of the internet to serve as a ubiquitous surveillance network, allowing civillians to keep watch out for terrorists.

John Foster, chairman of the independent Panel to Assess the Reliability, Safety and Security of the U.S. Stockpile, argues that the world is safer with a reliable U.S. nuclear deterrent.