The law has helped authorities prevent terrorist plots , says a senator . `` Some of these plots have been thwarted because of this program . But `` It 's something with enormous potential for abuse , '' says a member of Cato Institute . Score: 6 Opponents say Americans communicating with persons abroad still could be spied on .
The law has helped authorities prevent terrorist plots , says a senator . But `` It 's something with enormous potential for abuse , '' says a member of Cato Institute . Score: 6 Opponents say Americans communicating with persons abroad still could be spied on .