Hamas is trying to kill as many civilians as it can.
Israel is trying to kill as few civilians as it can.
Neither is succeeding very well.
Update (July 28): Please check out a superb essay by Sam Harris on the Israeli/Palestinian conflict. While, as Harris says, the essay contains “something to offend everyone”—even me—it also brilliantly articulates many of the points I’ve been trying to make in this comment thread.
See also a good HuffPost article by Ali A. Rizvi, a “Pakistani-Canadian writer, physician, and musician.”