This debate is definitely worth watching:https://tcf.org/content/event/debates-century-nyu-wagner-government-lawful-access-encrypted-message-device/

Fareed Zakaria and Edward Snowden Debate the Limits of Encryption By Kevin Rizzo | April 27, 2016
“Government should have lawful access to any encrypted message or device.” That was the resolution at the center of a debate between CNN’s Fareed Zakaria and Edward Snowden, former NSA contractor and infamous (or famous, depending on your opinions) leaker of classified information.

Source: http://lawstreetmedia.com/blogs/technology-blog/fareed-zakaria-edward-snowden-debate-limits-encryption/