(CNN) -- The current round of fighting between the Israel Defense Forces and the Palestinian Islamic Resistance Movement, or Hamas, in Gaza has been raging for over three weeks. Both sides have suffered casualties -- the numbers are much higher on the Palestinian side, as they always are. The Palestinian death toll has exceeded 1,000, while the Israelis have suffered fewer than 50. There are many reasons for the huge disparity, not the least of which are the facts that the ground combat is taking place in densely populated Gaza, and the effectiveness of the Israeli anti-rocket/missile system known as Iron Dome.In some ways, Gaza conflict fits pattern of earlier clashes, but this one is differentRick Francona says Israel seems determined to render Hamas militarily ineffectiveHamas knows it will be much harder to re-arm due to Egypt's oppositionFrancona: Netanyahu seems fixed on idea of neutralizing Hamas' tunnels
This expands the target set beyond pure military targets and goes to the political structure of _. Despite the surprising effectiveness of Israel's Iron Dome anti-rocket system, which has dramatically blunted _' main threat to Israel, Hamas continues to fire rockets at Israeli cities.