Linton Weeks Linton Weeks joined NPR in the summer of 2008, as its national correspondent for Digital News.

President Obama, teleprompter to his side, spoke at the White House on Aug. 11 to mark his signing of the Manufacturing Enhancement Act. U.S. Trade Representative Ron Kirk is behind him. Jewel Samad/AFP/Getty Images hide caption

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Jewel Samad/AFP/Getty Images

Palin at the Susan B. Anthony List 'Celebration of Life' breakfast in Washington on May 14. Mark Wilson/Getty Images hide caption

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Mark Wilson/Getty Images

Palin said on Fox News Sunday that Arizona Gov. Jan Brewer "has the cojones that our president does not have" on that immigration. Listen to her comments.

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More American colleges are offering classes that teach students to deal with a shrinking and increasingly dangerous world. hide caption

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Tea Party favorite Rand Paul rode a wave of anger to grab the Republican Senate nomination in Kentucky. Ed Reinke/AP hide caption

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Ed Reinke/AP