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In an interview with "CBS This Morning" co-host Charlie Rose, President Barack Obama defended the NSA surveillance programs and his recent decision to provide military support to the Syrian opposition in that country's civil war.

Daoud Gilani was the classic example of a terrorist sleeper agent. Born in Washington, D.C., he became radicalized and changed his name to David Coleman Headley. John Miller explains how he traveled the world on a U.S. passport, setting up terrorist attacks before he was eventually caught.

General Keith Alexander said the NSA's surveillance programs have helped stop more than 50 potential strikes since the 9/11 attacks. At least 10 of them involved homeland-based threats. Bob Orr reports.

The worst fire in Colorado's history, the Black Forrest fire, has consumed 24 square miles. While the flames have finally died down, the danger is not over yet. Firefighters still must extinguish embers deep in the forest floor. Barry Peterson reports.

During the past eight years, Iran has refused to open its nuclear program up to international scrutiny. But on Monday, President-elect Hassan Rowhani said Iran was "ready to show more transparency to the world." Elizabeth Palmer reports.

The civil war in Syria is starting to impact neighboring countries. The United States is sending the Assad dictatorship a message by holding joint military exercises with Jordan. Clarissa Ward reports.

Last summer, Jack and Jasinda Wilder and their five children were deep in a financial crisis. In desperation, the couple self-published a series of steamy romance novels that started picking up followers online. In a year, the rookie authors had sold more than a million e-books. Anthony Mason reports.

The U.S. and Russia still disagree about the Syrian civil war and how to end it. The tensions translated to awkward body language at a meeting between President Barack Obama and Russian President Vladimir Putin. Major Garrett reports.

From a secret location in Hong Kong, someone claiming to be Edward Snowden defended the leak of classified U.S. intelligence programs. The chat took place on the website of "The Guardian," which published Snowden's leaks. Bob Orr reports.

John Martorano testified he was James "Whitey" Bulger's chief executioner and best friend. He said that loyalty evaporated when he learned Bulger was a government informant. Elaine Quijano reports.

An Arizona law required residents to show a driver's license, birth certificate, passport or other proof of citizenship when they registered to vote. The state said it was necessary to combat fraud, but the Supreme Court ruled Monday that Arizona was asking too much. Jan Crawford reports.

Tens of thousands of Harley Davidson motorcycle owners trekked to Vatican City to mark the machine's 110th anniversary with a blessing from Pope Francis. Allen Pizzey reports.