If there were a real plan to attack Iran they would hardly be likely to advertise it. Obama is certainly not about to attack a Muslim country after all he's done to build bridges, and the USA has enough aggro from Afghanistan and Iraq, without having a third war in Iran. He seems to be taking Teddy Roosevelt's advice to 'Speak softly and carry a big stick.'
In Bahrain, 2 police officers killed, 6 wounded in bombing (AP)
from the article: Report: U.S. positioning 'bunker-busters' for possible Iran strike