Barack Obama contributed this piece to the July/August 2007 edition of Foreign Affairs when he was still a candidate for the Democratic presidential nomination.

Summary: After Iraq, we may be tempted to turn inward. That would be a mistake. The American moment is not over, but it must be seized anew. We must bring the war to a responsible end and then renew our leadership -- military, diplomatic, moral -- to confront new threats and capitalize on new opportunities. America cannot meet this century's challenges alone; the world cannot meet them without America.

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By Rodger Baker

Something extraordinary is happening in China, and we are not talking about the Olympics. Rather, Chinese officials have been clamping down on visa applications and implementing bureaucratic impediments to new and renewed visa applications under the guise of pre-Olympic security.

In some ways, Beijing's plan for a safe and secure Olympics appears based on the premise that if no one shows up, there can be no trouble. But placing restrictions on the movement of managers and employees of foreign businesses operating in China, even if for a limited time as Chinese officials have been at pains to reassure, makes little sense from the standpoint of gaining political and economic benefits from hosting the Olympics. Something just isn't right.

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