At their recent meeting in Sharm-el-Sheik, Ariel Sharon and Abu Mazen announced the cessation of the hostilities that erupted in September 2000. Whether or not the ceasefire will hold remains, of course, to be seen. But its announcement certainly offers an opportunity for a retrospective, interim assessment of the IDF's operational performance during the past four-and-a-half years of violence. Its record, however, is no better than mixed.