I think President Obama is being very foolish in escalating his conflict with Iran. The Iranians have offered to resume negotiations. The President is going to get Americans killed. Check this out:
US flexes muscles as it sends aircraft carriers to Persian Gulf
"The US navy announced the arrival of the USS Abraham Lincoln in the north Arabian Sea and the USS Enterprise, the world's longest naval vessel, in the Gulf of Aden.A senior official in President Mahmoud Ahmadinejad's government threatened in January unspecified action if American aircraft carriers returned to the Persian Gulf, saying: "We are not in the habit of warning more than once".
Although neither ship has entered the Gulf itself, the deployment will be seen as an unmistakable challenge in Tehran ahead of the beginning of negotiations on Saturday, which President Barack Obama has described as Iran's "last chance" to resolve the nuclear impasse through diplomacy.
In recent weeks Iran has been forced to temper its bellicose rhetoric after American and European Union sanctions against the country's central bank and energy sector began to have serious consequences for its already faltering economy..."
US flexes muscles as it sends aircraft carriers to Persian Gulf - Telegraph