Claire McCaskill actually said...
I think that--I will followup with the FCC and make sure, but I am hoping that along with the clarification, that there is no barrier to the common carriers' efforts to help consumers block this call, that they would also do what they can to encourage this encryption possibility, because I think it is a twofold problem.
Context
McCaskill emphasizes the need for FCC support in consumer call blocking and encryption.
06/09/2015