First, the Journal claims: "The deteriorating U.S. nuclear arsenal is emerging as a big security problem." Not true. U.S. weapons are safe, secure, and effective. No science-based study has found otherwise. The most recent report from JASON -- a premier U.S. defense advisory panel of scientists -- found no evidence that aging posed any threat to the usability of the U.S. nuclear arsenal. The JASON report said, "Lifetimes of today's nuclear warheads could be extended for decades, with no anticipated loss in confidence." In an earlier study, JASON scientists found that the plutonium cores of these weapons are reliable for at least 100 years. In other words: The nukes are alright.