Can the scarecrow Olmert not react when Gaza shells bombs a school in Israel?

Airhead, bubble-head - good for nothing - no leader what-so-ever - Olmert is faced with a dilemma. He made a commitment of non-reaction to any atrocity committed by PA against Israelis from Gaza. I don't know to whom did he make such commitment and why - but the fact is that he did. Now that there are 25 wounded and an Elementry school was bombed with missiles - can he really continue to do nothing?