In the article "Ex-Worker at C.I.A. Says He Leaked Data on Surveillance," Mark Mazzetti and Michael S. Schmidt write about the source of leaks regarding the nation's surveillance programs. WHO went public on Sunday as the source of leaks about the nation's surveillance programs? WHY did he go public, according to the statement he made in a video interview? WHERE did he work? WHERE is he now? HOW old is he? HOW did he have access to such highly classified information as a nongovernment employee? HOW have members of Congress responded to the renewed interest in the nation's telephone and Internet surveillance programs? WHAT international and domestic political difficulties does the episode present for President Obama? WHEN did the C.I.A. hire Mr. Snowden to work on information technology security? To WHAT newspaper did Mr. Snowden originally leak the classified information? WHAT effect do you think the leaks will have on government surveillance programs? Related: Our 6 Q's About the News "National Security Agency Maintains Vast Database of Americans" Phone Records."