Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
An eavesdropper on the same train as ex-NSA chief Michael Hayden tweets details of a conversation he had with reporters.
RELATED STORY: Overheard on Acela: Former NSA Chief Michael Hayden
The Obama administration is dealing with unhappy allies over the latest batch of NSA leaks. Jim Sciutto reports.
RELATED STORY: Obama promises changes after latest NSA snooping disclosure
Outgoing FBI Director Robert Mueller talks to Joe Johns about the NSA surveillance program, Edward Snowden's leaks, and U.S. security after Sept. 11.
News that broke in The Situation Room: CNN's justice reporter Evan Pérez tells Brianna Keilar that a secret court ruled the NSA's surveillance program collected more Internet data than it was legally allowed to.
The partner of Glenn Greenwald, the journalist who broke the news about secret U.S. surveillance programs, was detained for nine hours at Heathrow Airport. Atika Shubert reports.
Rep. Justin Amash and Jane Harman discuss their opposing viewpoints toward the NSA's surveillance programs.
RELATED STORY: Top senator questions need to collect phone records
Edward Snowden's father steps up his fight to defend his son, who is still seeking a country that will grant him asylum.
CNN's Tom Foreman shows what routes Edward Snowden might take to get to Venezuela.