This week, Jews around the world are observing Passover, the festival of liberation that marks the historic exodus from ancient Egypt. But this year, joy is tempered with loss and trauma. More than 160,000 Israelis will mark the holiday while displaced from their homes. Still, others have empty chairs at the dinner table as their loved ones are still held captive by Hamas. Ali Rogin reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders