The answer to today's Geo Quiz is the Djabal Refugee Camp in eastern Chad near the border with Sudan. The refugee camp is documented online in an new geographical feature of Google Earth. It's done in conjunction with the UN refugee agency.
Anchor Lisa Mullins speaks with Helen Zia about her decision to be part of the relay team carrying the Olympic torch through San Francisco this week; Zia is a Chinese-American writer and human rights activist.
The World's Jeb Sharp reports on a new report on Darfur released today by the group Human Rights Watch which says sexual violence is rife in Darfur, carried out by Sudanese soldiers, militiamen and rebel fighters.