Crowds in Tahrir Square erupted in jubilant cheers on Friday after Vice President Suleiman, appearing briefly on Egypt state TV, announced that President Mubarak has stepped down from presidency. NBC's Brian Williams, Richard Engel and Ron Allen report.
EGYPT'S MUBARAK STEPS DOWN
Crowds in Tahrir Square erupted in jubilant cheers on Friday after Vice President Suleiman, appearing briefly on Egypt state TV, announced that President