After revelations that the National Security Agency (NSA) has been secretly collecting metadata on the phone calls of millions of Americans, we speak with one of the members of President Obama's review group charged with advising him on possible reforms: University of Chicago law professor Geoffrey Stone. Read The Guardian's NSA Files: Decoded.

Related Links:

The Guardian: The NSA Files

President Obama's Full NSA Speech

Huffington Post article on Edward Snowden: "Hero or Traitor"?

Huffington Post article on The NSA's Telephone Meta-data Program: Part I

Huffington Post article on The NSA's Telephone Meta-data Program: Part II

Huffington Post article on Is the NSA's Bulk Telephony Metadata Program Constitutional?

Huffington Post article on Reflections on the FISA Court