The CIA took considerable heat over Iraq, where weapons of mass destruction weren't found. Now, as the agency assesses Iran, it invites an NPR correspondent to its headquarters for a rare chat about the issue. Andrew Harrer/Bllomberg via Getty Images hide caption

itoggle caption Andrew Harrer/Bllomberg via Getty Images

If sanctions continue, Iran's tankers could fill up with surplus oil and leave the country with no place to store its continued production. Kamran Jebreili/AP hide caption

itoggle caption Kamran Jebreili/AP

Cybersecurity analysts work in the watch and warning center during the first tour of the government's secretive cyberdefense lab intended to protect the nation's power, water and chemical plants, electrical grid and other facilities on Sept. 29, 2011, in Idaho Falls, Idaho. Mark J. Terrill/AP hide caption

itoggle caption Mark J. Terrill/AP

A bill in Congress would task certain private businesses with increasing their cybersecurity to stave off attacks aimed at harming U.S. cyber infrastructure. Mark J. Terrill/AP hide caption

itoggle caption Mark J. Terrill/AP

Cybersecurity experts say Iran has the resources necessary to be a major player in cyberwarfare. iStockphoto.com hide caption

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The group Anonymous has threatened to take down the Internet on Saturday to protest anti-piracy proposals that they consider online censorship. Here, a masked protester demonstrates against one such measure last month in Zagreb, Croatia, last month. Hrvoje Polan/AFP/Getty Images hide caption

itoggle caption Hrvoje Polan/AFP/Getty Images

The Homeland Security Department's Control System Security Program facilities in Idaho Falls, Idaho, are intended to protect the nation's power grid, water and communications systems. U.S. security officials and members of Congress are convinced a new law may be needed to promote improved cyberdefenses at critical facilities. Mark J. Terrill/AP hide caption

itoggle caption Mark J. Terrill/AP

Iranian President Mahmoud Ahmadinejad visits the Natanz uranium enrichment facility in April 2008. Western governments suspect Iran is seeking nuclear weapons, a charge Tehran denies. How to handle the possible threat from a nuclear-armed Iran is a major foreign policy concern of the U.S. AP hide caption

itoggle caption AP