How Well are the Guardians Guarding the Nuclear Arsenal?

In Foreign Policy, AHS speaker Peter Feaver discusses the quality and reliability of the U.S. command-and-control system:

"The string of horrifying stories may just be coincidence, but they sure look like they point to a wetware problem. The senior nuclear commanders have assured the defense secretary that there is no systematic wetware problem. Proving that is the case will be the vital mission of Hagel's review panel."