Channel 4 News is taking a look at some of the people and movements that had the biggest impact on the world in 2011. Economics Editor Faisal Islam explains why Angela Merkel changed the world in 2011, through decision and indecision.

Channel 4 News is taking a look at some of the people and movements that had the biggest impact on the world in 2011. Foreign Affairs Correspondent Jonathan Rugman says Tunisian street vendor Mohamed Bouazizi changed the world this year.

Channel 4 News is taking a look at some of the people and movements that had the biggest impact on the world in 2011. Washington Correspondent Matt Frei nominates the Occupy movement as the person - or people - who changed the world in 2011.

Channel 4 News is taking a look at some of the people and movements that had the biggest impact on the world in 2011. First up, International Editor Lindsey Hilsum believes that Nobel Peace Prize-winning Yemeni activist Tawakul Karman forever alte...