How? Just apply to one of their secret agencies and promise he will never ever leak anything? He doesn't have superpowers. Even when it comes to the NSA, let's

How? Just apply to one of their secret agencies and promise he will never ever leak anything? He doesn't have superpowers. Even when it comes to the NSA, let's make the most of what Snowden did do -- he might be the last whistleblower we've seen in a while, seeing how the NSA said they would seek to replace as human system administrators with automation where possible.