It's much more important for U.S. to be able to defend against foreign attacks than it is to be able to launch successful attacks against foreign adversaries.
Edward SnowdenI acted on my belief that the NSA's mass surveillance programs would not withstand a constitutional challenge, and that the American public deserved a chance to see these issues determined by open courts. Today, a secret program authorized by a secret court was, when exposed to the light of day, found to violate Americans' rights. It is the first of many.
Edward Snowden