So, they only differ by one letter (in fact, just one step in the alphabet), but what else do they have in common? It occurs to me that the NSA’s weird Schrödinger’s-cat defence of its mass collection of phone records — it’s not spying until someone actually looks at the records — is reminiscent of the NRA’s famous anti-gun-control slogan. We could write it this way:
Common Infirmities 