And it is hard to imagine how we could have prevented the use of chemical weapons in Syria . U.S. intelligence agencies had some prior warnings about Syria 's chemical attack . Schneier : Despite the knowledge , the U.S. was n't able to stop the attack . He says having more data does not necessarily enable government to act meaningfully . Comment:
U.S. intelligence agencies had some prior warnings about Syria 's chemical attack . Schneier : Despite the knowledge , the U.S. was n't able to stop the attack . He says having more data does not necessarily enable government to act meaningfully . Comment: