Why U.S. diplomacy will fail with Iran

(Edward Luttwak) Long before his inauguration, Barack Obama lucidly explained how he would "engage" Iran's leaders by offering talks without preconditions — without even asking them to stop chanting "death to America" ... Unless Iran's politics change, Mr. Obama's policy will fail. At that point, he will need a new, new policy of increasingly severe sanctions under the looming threat of bombardment—exactly Mr. Bush's old policy. But as Iran's nuclear program advances, time is running out for this policy to work.