Israel's 'Iron Dome' Was Partly Funded By U.S.

Since an escalation in fighting between Gaza and Israel last week, there have been more than 100 casualties on Gaza's side of the border. On Israel's there have been three. That low death count in Israel, despite many rockets fired into its territory, is thanks largely to the Israeli "Iron Dome" air defense system. For more on how that system works, Robert Siegel speaks with Barbara Opall-Rome, Israel bureau chief for Defense News.