If all goes to plan, by the beginning of Saturday, Israel and Hamas will begin observing a ceasefire. Their weapons will fall silent, and Israeli troops will withdraw from their present positions to an agreed-upon line further back in Gaza. Hamas, meanwhile will release all the living hostages in exchange for 250 Palestinian prisoners serving life sentences and an additional 1,750 Gazans that Israel has captured over the last two years. Humanitarian assistance will immediately flood into the