Even if NSA Phone Tapping were legal, which it's not, it's a terrible idea

The NSA Phone metadata program is an overly broad, non-specific, and non-expiring search program.  Just like a Writ of Assistance.  Which is precisely why we have the 4th Amendment.  How can any constitutional scholar, elected official, or judge think otherwise?

Also, even if this were legal, it's a terrible idea.  It's trivial to imagine scenarios where this information could be used to manipulate or blackmail Americans.  And where is the whistleblower, Edward Snowden, now?  Apparently in Hong Kong.

Imagine if this metadata got into the hands of a foreign government, drug cartel, or terrorist group.  They could blackmail defense contractors, border guards, or guards at power plants.

As for the inane argument that if you weren't doing anything wrong you have nothing to hide: