Libyan Rebels Reach Port City, But Can They Hold It?

Libyan rebels have reached the important port city of Zawiyah, where they are engaged in fierce clashes with government forces. Zawiyah is the site of Libya's sole remaining refinery and it's on the road to Tunisia. If the rebels hold it, they will control the port, the refinery and one of Libya's main roads. Guest host John Ydstie gets the latest on the fighting from NPR's Lourdes Garcia-Navarro in Libya.