That does not mean that they are stronger. The power is determined by the technology and the preparation, not the number of people. Although this matter not curdled with Arabs, blacks, Indians and Liberals, who believe that by being more must be owners of others. Westerners use their scientific and intellectual power to defend against the barbaric hordes which grew economically, but not mentally evolved. Money can buy many things but not the creative ingenuity that characterizes few cultures and ethnicities. With a mulatto President; Socialist; Muslim past; I of the Nobel Peace Prize, at the White House, the situation is different to everything that lived until now.
If their predecessors were not dared to attack Iran, you could speculate that Barack Obama will act equally. However, using as a reference to another progre: Woodrow Wilson, who was re-elected in 1916 under the slogan kept us out of war. And he adhered to the world war I in 1917. It is possible that Obama form a coalition with Israel, several European countries, and perhaps involve some Arab States. Wilson turned in the more severe and intransigent of American leaders, imprisoning dissidents and nationalizing industries and businesses. This is a characteristic of Liberals. In emergency they act vigorously.
For them the State is everything and enjoy your unrestricted control. In this case specific that might be good. Strong leaders is required in the war. When you pass the legislative elections of November and Democrats lose at least one Chamber, they will begin the war finishes. According to Gallup, 90% of Americans considers Iran a serious danger and 65% as a critical threat. According to Rasmussen, 26% strongly approve Obama management; 43% strongly disapproves of it. Before the remarkable decline in his popularity, the war is his only alternative to recover. BO will have the excuse to placate their anti-war supporters more extremists, alleging that it was Congress who decided to attack. You will win the backing of the independent majority that wants to end the Iranian nuclear threat and want to see the end of the conflict in Iraq and Afghanistan which has already been nine years of duration. Finally will fit with the Arab majority, who feels so threatened by Iran as anyone else.