The Second Lebanon War created a worldwide precedent. For the first time in history, a country launched a war with no planning. Until then, all initiated wars from Hannibal to George Bush — whether their purpose was defensive, pre-emptive or to take over land — had had planning. So did ours, from the 1956 Sinai Campaign to the Six-Day War to Operation Oranim in 1982, which turned into the first...