Marshmallow Test for Success

At 85 years old, Queen Elizabeth II has lived through many changes in modern history. As she marks her 60th anniversary on the throne, Mark Phillips looks back at her dedication to a role that requires you to be constantly on the job.

The Transportation Security Administration took over aviation security after the attacks of Sept. 11. Bob Orr takes a rare look inside the training of the federal air marshals who were given the job of protecting passengers 30,000 feet in the air.

Despite this winter shaping up to be one of the warmest in half a century, the cost of heating a home with oil is on the rise. Michelle Miller finds out why.

With a landslide victory in Nevada, Republican presidential candidate Mitt Romney has all the momentum he needs to propel him to a possible nomination. But as Jan Crawford reports, former front-runner Newt Gingrich still has some fight left in him on the eve of Colorado's caucus.

As protestors clashed with Egyptian police, 17 Americans are facing charges of encouraging the unrest that has engulfed the country for nearly a year. Norah O'Donnell spoke with one of the accused who was home in Washington, D.C. when the charges were announced.

As the situation in Syria gets more dangerous by the hour, American diplomats are forced to evacuate. Clarissa Ward reports from inside Syria on what President Bashar al-Assad does not want the world to see.