This article doesn't consider an aggregate like "nsa + national security agency." Plotting the two terms combined shows the Snowden story isn't clouding out the

This article doesn't consider an aggregate like "nsa + national security agency." Plotting the two terms combined shows the Snowden story isn't clouding out the NSA searches. For people who might suggest plotting "edward snowden + snowden," the graph doesn't change at all, for obvious reasons.