Reliable information on China's nuclear arsenal is very difficult to find. Perhaps this is why many U.S. analysts and reporters seize upon any information that seems to provide some insight into China's program. In the rush to publish something new, they often lose important details and caveats.

The real nuclear threat to the United States does not lie in the fact that it does not (or will not) possess enough nuclear weapons to deter a nuclear attack. Rather, it is that there is no guarantee that nuclear deterrence works.

The campaign to prevent Iran from acquiring nuclear arms brings to mind a doctor who focuses on the symptoms while overlooking the disease. If Tehran is indeed building the bomb, it quest is a particular manifestation of a larger problem: nuclear proliferation.

An important explanation for GOP opposition to the New START is that its implementation would be popular and, therefore, redound to Obama's political benefit.

On Friday, Russia drew the kind of fire from the Iranian President that he usually reserves for the worst of the kafirs in the United States. As repor...

Engaging China on issues like Iran's nuclear program and North Korea's sinking of a South Korean navy ship this year ought not come at the expense of long-term bilateral priorities.

WASHINGTON — The United States and Russia said Friday they had agreed to maintain the provisions of a major nuclear arms control treaty just hou...