How have Edward Snowden's ("Snowden") leaks about the electronic surveillance conducted and collected on U.S. and non-U.S. citizens by the National Security Administration ("NSA") impacted the global community?

How have Edward Snowden's ("Snowden") leaks about the electronic surveillance conducted and collected on U.S. and non-U.S. citizens by the National Security Administration ("NSA") impacted the global community? Based on Snowden's revelations, do you think the NSA was legally operating within the scope of the Foreign Intelligence Surveillance Act as amended, and the Patriot Act, Section 215? Why or why not?