For Grassroots Protests, Big Gains In 2011

All week, NPR is looking at people, events and ideas that fared well in 2011. Host Michel Martin explores how it was a good year for grassroots protests, both as part of the Arab Spring and the 'Occupy' movements. She speaks with NPR Cairo Correspondent Soraya Sarhaddi Nelson and Arun Venugopal, a reporter for member station WNYC.