1. Mitt Romney's campaign bus departs Florida, February 2, 2012

    Republican Presidential Campaign Moves West

    Mitt Romney is expected to win in Nevada but the likely outcome in Colorado and Minnesota is less clear.

  1. Trees near Matamata, Waikato, New Zealand, September 12, 2011 (Cuba Gallery)

    UN Recast Limits to Growth As “Planetary Boundaries”

    There is only so many times you can cry wolf before people start to wonder whether disaster truly looms.

  1. Hina Rabbani Khar, Pakistan's foreign minister, addresses the World Economic Forum in Davos, Switzerland, January 26, 2012 (Remy Steinegger)

    Pakistan Denies Seeking Taliban Return To Power

    A NATO study obtained by British news media alleged that “Pakistan’s manipulation of the Taliban senior leadership continues unabatedly.”

  1. Football riots in Port Said, Egypt, February 1, 2012 (AFP/Getty Images)

    Riots in Port Said, Egypt Leave Seventy-Three Dead

    Dozens were killed and hundreds injured in clashes between football supporters in the north Egyptian city.

  1. Chairman Ben Bernanke delivers opening remarks at a Federal Reserve System symposium (Reuters)

    Bernanke’s Money Printing Spree Continues

    The Federal Reserve keeps interest rates near zero and continues to pump billions of dollars into the economy.