Watch Live: Obama Announces Major NSA Reforms

JOIN THE LIVE CHAT VISIT WHITEHOUSE.GOV U.S. President Barack Obama is expected to implement several changes to the National Security Agency's controversial surveillance tactics in a speech on Friday. The speech comes in response to a global debate on government surveillance sparked by a series of reports revealing far-reaching, secret NSA spying programs. Former NSA contractor Edward Snowden, who leaked a trove of secret documents to journalists early last year, has been the media's primary sou...