More political theater from Rand Paul. If only he was as transparent to the average voter.
However, suing everyone and anyone else (as Paul seems to have done), isn't.
So what Paul has done is a little political theater and a little practical. If Polosi had done the same thing, the result would be the same.
As a legislator though, it seems the far more practical way of ending phone surveillance would be to draft a bill making it explicitly illegal.
And the Fourth Amendment was intended for exactly this case. One of the last actions of the English which precipitated the American revolution was a general warrant issued in a secret court in England which gave English soldiers authority to search any American's home at any time without any reason for suspicion.