For more than a century, neurons have been the superstars of the brain. Their less glamorous partners, glial cells, can't send electric signals, and so they've been mostly ignored.

Update at 4:30 p.m. EST. Details Of Capture

Osama bin Laden's son-in-law and a former al-Qaida spokesman, Sulaiman Abu Ghaith, is in U.S. custody and is being held in a Manhattan jail. He could appear in a federal court as soon as Friday, U.S. officials familiar with the case say.

His capture is considered important not just because he was so close to bin Laden but also because U.S. officials have decided to try him in a federal court, not Guantanamo Bay.

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LYNN NEARY, HOST:

Yesterday, Republican Senator Rand Paul, of Kentucky, filibustered the Senate floor for nearly 13 hours in protest of the administration's use of drones.

SENATOR RAND PAUL: This is not about partisanship. I have allowed the president to pick his political appointees, but I will not sit quietly and let him shred the Constitution. I cannot sit at my desk quietly and let the president say that he will kill Americans on American soil who are not actively attacking a country.

As he rose to begin his nearly 13-hour filibuster Wednesday, Sen. Rand Paul (R-Ky.) said "no American should be killed by a drone on American soil without first being charged with a crime, without first being found to be guilty by a court." He would filibuster John Brennan's nomination to be CIA director, Paul said, because he wanted a clear statement from the Obama administration acknowledging that U.S.

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LYNN NEARY, HOST:

This is TALK OF THE NATION. I'm Lynn Neary in Washington. The Centers for Disease Control is warning of another deadly superbug. This one, known as CRE, ultimately left seven patients dead after an outbreak in 2011 at the National Institutes of Health in Bethesda, Maryland. CDC director Tom Frieden has called the bug a nightmare bacteria. It can resist even the strongest antibiotics.

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LYNN NEARY, HOST:

This is TALK OF THE NATION. I'm Lynn Neary, in Washington. Neal Conan is away. It's an American story as old as Horatio Alger: Hard work, determination and presto, you can change your station in life. But increasingly many Americans find themselves stuck where they are on the economic ladder, that American dream just out of reach.

China's citizens do not report as much as $2.34 trillion of what they make every year, hiding "gray income" that would represent nearly 20 percent of the country's GDP, Chinese economics scholar Wang Xiaolu says, in a report from the news site Global Voices.

Rand Paul has gained new prominence in ways that inevitably lead to speculation about his political future, including the possibility of a presidential run in 2016.

The Kentucky Republican's marathon filibuster that began Wednesday raised his profile above those of other junior but ambitious conservatives in the Senate, says GOP consultant David Carney.