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Tom Gjelten

In an effort to bring Iran to the negotiating table over its nuclear program through economic pain, both the U.S. and the European Union have imposed sanctions that should make it harder for Iran to sell its oil. But the global oil business is unpredictable, and sanctions are no guarantee.

The battle over Iran's nuclear program escalated Monday as the European Union announced an embargo on importing oil from Iran.

For years, Europe has been reluctant to join the United States in imposing tough sanctions on Iran. The United States years ago stopped buying Iranian oil, while European nations including France, Spain, Italy and Greece kept up their purchases. European countries right now buy about 600,000 barrels of oil per day from Iran.

Angelina Jolie was just 16 when the war in Bosnia began, and she acknowledges now that she paid little heed to it at the time. But as her awareness of international issues later took shape, her attention was drawn back to that Balkan conflict.

"I wanted to understand," she says. "I was so young, and I felt that this was my generation; how do I not know more?" Now, that war is the subject of In the Land of Blood and Honey, her debut film as a writer and director.

For the first time, organizations can apply for an Internet address all their own, marking the start of a new era in the growth of the Internet.

For example, .com and .org could be replaced by .starbucks or .newyork.

The expansion was planned by the one organization empowered to regulate the global Internet — the Internet Corporation for Assigned Names and Numbers, or ICANN.

Debate over the new policy has highlighted the key issue of who, if anyone, should control the Internet.

Tensions with Iran these days are as high as they've been in years, and managing them will be one of the top challenges facing the Obama administration this year. With Iran threatening to block U.S. ships from entering the Persian Gulf, and the United States vowing not to back down, the stage seems to be set for war. And yet, what's happening with Iran right now may be more of an economic confrontation than a military standoff.

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