> Are there any cases where the actions of the NSA are in any way beneficial to US citizens? Can they show that they have ever done anything positive at all? Y

> Are there any cases where the actions of the NSA are in any way beneficial to US citizens? Can they show that they have ever done anything positive at all? Yes, and quite easily. If that's your only testing criteria for whether a government agency is useful then NSA will pass with flying colors.