> The lack of solutions itself is a sign that no one has anything better to offer than what the NSA is currently upto.
Not doing what the NSA is currently up to, and letting a 9/11 happen every year, would be better than what we're currently doing.
"Preventing all terrorism" is both impossible and wildly impractical: to even get close, you must eviscerate the freedoms in your society and undermine the rule of law.
The "solution" is "be an adult, and don't go in to a frenzied panic every time you get hurt".