As the United States pivots to Asia, disputes over territories in the South China Sea have escalated tensions and threatened regional stability.

An intense international debate over who manages parts of the internet’s technical infrastructure is likely to feed a broader discussion of internet-related public policy.

Sarin, one of the world’s most lethal chemical weapons, has long been stockpiled but is rarely used by states or terrorists. Allegations of attacks on civilians in Syria, if substantiated, would repr…