Ten-thousand women marched Tuesday in Tahrir Square after brutal attacks of women were reported during protests in Cairo. Margaret Warner discusses Egypt's political struggles with corporate executive May Nabil, who participated in the demonstrations.

Chaos erupted Tuesday night in downtown Oakland, Calif., as police dispersed crowds from the Occupy Oakland movement in the plaza in front of City Hall. Correspondent Spencer Michels reports from the center of the confrontation.

A California company using high-tech tools to combat human rights abuses across the globe.