Israel's security cabinet approved the ceasefire and prisoner exchange deal with Hamas after Prime Minister Netanyahu signed off on the agreement. The deal goes into effect Sunday local time. Nick Schifrin reports and speaks with Sigrid Kaag, the United Nations coordinator for humanitarian relief who's just been appointed envoy for Mideast peace. Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show.