Israel and Hamas forces in Gaza may be edging closer to a cease-fire after 10 days of open war. Egyptian mediators say there's a truce agreement, in principle. A top Hamas official said he expects fighting to stop in a day or two. Pressure to end the conflict built today, with 227 Gazans and 12 Israelis killed so far. John Yang reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders