Iran is vulnerable on oil: Why aren't we taking advantage?

Writing in the International Herald Tribune, John Vinocur reminds us of just how vulnerable Iran is on oil. Thirty-one years ago this week — Jan. 16, 1979 — the shah of Iran flew into exile, opening the way to the birth of an Islamic republic and, over time, a country whose leaders have shaken much of world with their apocalyptic threats and drive for nuclear weapons.For sure, demonstrations,