U.S. Demands Chinese Block Cyberattacks.

The article discusses the United States' demands that the Chinese government cease its alleged theft of data from American computer networks as of March 12, 2013. Topics addressed include a speech by U.S. national security adviser Thomas (Tom) Donilon calling for China to address cyberattacks and seek to prevent future attempts, evidence connecting China's People's Liberation Army (P.L.A.) to hacking attempts, and the threat of a nuclear attack from North Korea.