Plus I think people might be watching this war of words over the Strait of Hormuz.
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At its narrowest point, the Strait of Hormuz is only 21 nautical miles (40km) wide.
He said Bush was trying to foment tensions in the Persian Gulf over the Strait of Hormuz confrontation.
In 2012, Raddatz was on a USS destroyer as it made its way through the Strait of Hormuz.
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Iran has previously threatened to close the Strait of Hormuz, a vital oil shipping lane, over the sanctions issue.
But in reaction to those sanctions, you have one politician in Iran renewing the threat to close the Strait of Hormuz.
Oil companies, in particular, ought to be be paying for the cost of the Fifth Fleet, which protects the Strait of Hormuz.
Or is it farsighted planning to provide resources in exactly the kind of a temporary Strait of Hormuz emergency that now seems entirely possible.
But threats to close the Strait of Hormuz, through which roughly a quarter of the world's oil supplies passes, send shivers through oil markets.
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Tehran threatened this year to close the Strait of Hormuz, a vital oil shipping lane, if sanctions were imposed on its exports of crude oil.
In recent days, Iran has threatened to block the Strait of Hormuz, the channel through which about a third of global seaborne oil exports pass.
American sovereignty, an unfettered Navy, and where applicable, customary international law, remain our best tools for ensuring stability in critical ocean pathways like the Strait of Hormuz.
If the Iranians were to carry out their threat to blockade the Strait of Hormuz, China would suffer directly, through a likely surge in the oil price.
"Bad news would be a supply shock - if you did have a blockade of the Strait of Hormuz or a war in the Middle East, " Koll said.
There is only one sure-fire way to provoke an inflation shock and that is to close the Straits of Hormuz, or otherwise cause Middle Eastern oil to cease, temporarily.
And we are very vigilant and mindful of various threats that can be -- that are made, whether they involve the Straits of Hormuz or other areas or issues.
The oil sector could also get hit hard, with Iran potentially mining the Persian Gulf and attempting to close the Straits of Hormuz, putting a stranglehold on oil flow, Shepperd says.
The crude oil is shipped across the Straits of Hormuz to countries such as the United Arab Emirates, and then sold on to a range of customers, including some in India and Pakistan.
U.S. stock futures are broadly lower heading into the open, as Wall Street frets over European dealings for a Greek bond-swap deal while Iran reiterated its threat to block the Strait of Hormuz.
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Finally, a week after US military spokesmen in Iraq released contradictory statements about Iran's continued support for the insurgency in the country, Iranian forces directly challenged US naval forces in the Straits of Hormuz.
And Simon Murie, founder of niche tour operator Swimtrek, says the Strait of Hormuz (Oman-Iran), Gulf of Aqaba (Egypt-Saudi Arabia) and La Perouse Strait (Hokkaido, Japan - Sakhalin, Russia) are all waiting to be swum.
This seems to be a reaction to Iran's threats to retaliate against any attack by closing the Strait of Hormuz, the passage for roughly 40% of the world's traded oil, and striking at neighbouring countries.
The sanctions announced Monday are likely to escalate tensions with Iran, which recently threatened to block off the Strait of Hormuz, a valuable waterway near the Persian Gulf that carries about 20% of the world's oil shipments.
As is the case with the Gulf and the Strait of Hormuz, our presence there is part of a rotation that has not changed at all and ensures that we maintain a significant presence in the Gulf.
Furthermore, the general ratcheting up of diplomatic tensions between the West and Iran over the republic's nuclear ambitions raises fears of a potential closure of the Strait of Hormuz, the world's most important shipping channel for oil deliveries.
Tehran warned it could shut the Strait of Hormuz and yesterday threatened to take action if the US navy moves an aircraft carrier, which left the Gulf on December 27 on a planned routine transit through the Strait, back into the Gulf.
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But he also has said that the United States would be able to take steps if Tehran were to attempt to block the Strait of Hormuz, the outlet of the Persian Gulf and a choke point for much of the world's oil.
"Although Iran seeks to show that it is able and willing to take to drastic means to respond to foreign pressure, it is unlikely that it has the ability to close Hormuz, " said risk consultancy IHS Global Insight in a report Tuesday.
Fears of a disruption now emanate from Iran's threats to close the Strait of Hormuz, the route for a fifth of the world's oil, in response to a European Union embargo on Tehran's oil as way to pressure it to give up its controversial nuclear program.
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