Presidential debate No. 2 is in the books, and the consensus is that — unlike debate No. 1 — President Obama came prepared for battle. For all the talk about "binders full of women," and what was said when after the events in Benghazi, Libya, Obama and Mitt Romney both made their cases. Now, they prepare for the third and final debate on Monday. We also bid farewell to former Pennsylvania Sen. Arlen Specter.
Join NPR's Ron Elving and Ken Rudin for the latest political roundup.
"How long can this situation continue? I mean in Bosnia, now we have Ban Ki-moon [the UN secretary general] apologizing 20 years after. Who will apologise for Syria in 20 years' time? How can we stay idle?"
<a href="http://www.baratunde.com/">Baratunde Thurston</a> is an American comedian and the digital director of <em>The Onion</em>. He co-founded the black political blog <a href="http://www.jackandjillpolitics.com/">Jack & Jill Politics</a>. He is also a prolific <a href="https://twitter.com/#!/baratunde">tweeter</a>.
This is SCIENCE FRIDAY, I'm Flora Lichtman, filling in for Ira Flatow today. The moon, it's our nearest neighbor, but we don't know much about where our companion came from. In the 1800s, Charles Darwin's son, Sir George Darwin, proposed that maybe the moon just popped off from the Earth when the Earth was spinning much faster than it is today.
A NASA spacecraft captured the clearest recording yet of what space sounds like inside Earth's radiation belts. Craig Kletzing, a professor of physics and astronomy at the University of Iowa, explains what causes these eerie chirping noises, and what we can learn from them.