Work for Change

The Israeli-Palestinian peace process has been badly derailed in recent years. Find out what went wrong: from Ariel Sharon's ascent to power, to the war in Lebanon. Also: States of the Union looks into the issues Nevada's voters care about as they head into their caucus. A new play, "Seven," about extraordinary women working for change. And Please Explain is all about our delegate system. Guest host Jonathan Capehart sits in for Leonard.