Israel belatedly announced, but did not carry out, a two-day cessation in bombing Lebanon, responding to the global condemnation of an air attack on the Lebanese village of Qana, where 57 civilians were killed and where 106 died from the same cause 10 years ago. As before there were expressions of “deep regret,” a promise of “immediate investigation” and the explanation that dropped leaflets had warned families in the region to leave their homes.