What are the chances for renewed talks to end the Gaza war?

Israel bombs another school in one of the worst attacks of its war on Gaza.
Yet it says it WILL attend ceasefire talks brokered by the US., Qatar and Egypt next week.
But Hamas has a new leader since the assassination of the more moderate Ismail Haniyeh.
So what are the chances of a deal this time?

Presenter:

Cyril Vanier

Guests:

Mustafa Barghouti, Secretary General of the Palestinian National Initiative.

Gideon Levy, Columnist with the Haaretz Newspaper and Author of the book, 'The Punishment of Gaza'.

Rami Khouri, a political analyst and distinguished Public Policy Fellow at the American University of Beirut.