Politics NPR's expanded coverage of U.S. and world politics, the latest news from Congress and the White House, and elections.

Former Alaska Gov. Sarah Palin, center, visits a Civil War-era cemetery, Tuesday, May 31, 2011, at Gettysburg National Military Park. Timothy Jacobsen/AP hide caption

toggle caption
Timothy Jacobsen/AP

President Obama, with Facebook CEO Mark Zuckerberg, speaks during a town hall meeting April 20 at Facebook headquarters in Palo Alto, Calif. Mandel Ngan/AFP/Getty Images hide caption

toggle caption
Mandel Ngan/AFP/Getty Images

Former Alaska Gov. Sarah Palin greets some of the thousands of motorcycle enthusiasts and military veterans participating in the Rolling Thunder rally on Sunday. Chip Somodevilla/Getty Images hide caption

toggle caption
Chip Somodevilla/Getty Images

Sen. Rand Paul (R-KY) speaks during a Tea Party Town Hall meeting in February at the National Press Club in Washington. The freshman lawmaker is being hailed by civil libertarians for putting privacy concerns over the Patriot Act back in the spotlight. Alex Wong/Getty Images hide caption

toggle caption
Alex Wong/Getty Images