A good deal is one in which everyone walks away happy or everyone walks away mad. The moods must match. By this standard, the deal between Israel and Hamas is good but not great: Both groups are relishing what they are getting, and choking a bit on what they have given up. Israel is choking more than Hamas. There will be scenes of jubilation and triumph from Gazans and Israelis, and efforts by both sides’ leadership to spin the Gaza war as a victory. But for Israel and Gaza, the…