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Those who worry about the vulnerability of the world's oil shipping lanes should calm down. Oil tankers are more resilient than often presumed, and only the United States has the capability to seriously disrupt maritime traffic -- which it will not do.

In spite of its diffculties in Iraq, the United States was not wrong to have removed Saddam Hussein. The outcome of the Iraqi enterprise will be crucial to the course of the "war on terror." And success is still possible -- if Washington takes a page out of its Cold War playbook.

Elected in a landslide just last year, Thai Prime Minister Thaksin Shinawatra was deposed last week in a bloodless overthrow organized by the military. Over the year his fall from grace had been steady and swift, thanks to his abuse of power, repression of the opposition and Muslim minorities, and allegations of corruption. Still, argues Duncan McCargo of the University of Leeds, even if Thaksin deserved to go, the manner of his passing will endanger the country's democracy and stability.

How to prevent nuclear proliferation is once again topping the U.S. security agenda. But few decision-makers are seriously considering what a postproliferation world would look like, even though such a world would inevitably require rethinking many of the policies that the U.S. government and others now take for granted.