Most of these have been addressed with a mixture of what Mr. Krepon of the Stimson Center called individually tailored "incentives and disincentives" to stop them from developing nuclear capacities.

"In these very difficult terrorism targets, there's obviously this yearning for native speakers," said Ellen Laipson, president of the Stimson Center, a Washington think tank.

"If we aggressively move weaponry into space," warns Michael Krepon of the Stimson Center, a Washington think tank, "then we will start an arms race."

BFAD is directed by Gordon Adams, a Distinguished Fellow at the Stimson Center.

He was a visiting fellow at the Stimson Center in Washington, D.C. from November-December 1997.

Former South Asia Visiting Fellows (Stimson Center)

Stimson Center: May 25, 2011.

Throwing the basic treaty into doubt is dangerous, said Mr. Krepon of the Stimson Center.

On Wednesday night, during a speech at the National Press Club hosted by the non-profit Stimson Center, Panetta referred briefly to the bet.

Geneive Abdo is a fellow in the Middle East program at the Stimson Center, a think tank based in Washington, D.C.