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Which comes first, the probiotics or the prebiotics?

Could prebiotics, the food for the good bacteria known as probiotics, have more benefits than a dose of the microbes, particularly for people with serious health problems like preemies?

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.

This interview was originally broadcast on Feb. 1, 2012. How to Be Black will be released in paperback on Oct. 30.

It's no coincidence that Baratunde Thurston's new memoir and satirical self-help book How to Be Black was slated for release on the first day of Black History Month.

"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?"