WASHINGTON (AP) — On Monday, the fragile ceasefire in Gaza led to freedom for Israeli hostages and the release of Palestinian prisoners held by Israel. It was the culmination of a long and tortuous process — but it may, in the end, have been the easier part. The coming weeks, months and years will require more than just rebuilding from the devastation that has left much of Gaza in ruins. Key details of the peace plan may remain unsettled. Granular details will need to be negotiated to keep the