Using data on surnames dating back almost 1,000 years, economic historian Gregory Clark says he's found evidence that families rise and fall across generations at a much slower rate than anyone previously thought. And he says that rate remains constant across national boundaries and time periods.

Clark is writing a book about his research, and he says he's still working out some of his conclusions, but here are six possible takeaways from what he's found so far:

Here is a question that social scientists have been pondering for years: How much of your success in life is tied to your parents, and how much do you control?

The academic term used for this is "social mobility." And a striking new finding from economic historian Gregory Clark of the University of California, Davis claims your success in life may actually be determined by ancestors who lived hundreds of years ago. That means improving opportunities across generations might be a lot harder than anyone imagined.

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NEAL CONAN, HOST:

President Obama and Republican nominee Mitt Romney speak almost every day throughout the campaign season, sometimes two or three times a day. They deliver everything from commencement addresses to foreign policy analyses. But at rallies and union halls, high school auditoriums, at county fairs and a thousand other venues, they offer slight variations on a set of standard remarks known as the stump speech.

(SOUNDBITE OF SPEECH)

The Budapest String Quartet has always been my standard-bearer for chamber music. I grew up listening to their recordings, and especially admired not only their gorgeous sound, but also the uncanny interaction among all four players, even when there were changes in personnel. They had a way of playing as if they were speaking to each other, expressing deep and sometimes complicated feelings.

Here's your chance to weigh in on mutant forms of bird flu that have been in the news — the U.S. government wants to know just how scary you think these new viruses are.

Today's announcement that Vikram Pandit had abruptly resigned as chief executive of banking giant Citigroup has left competitors, analysts and media pundits stunned and sputtering.

"This comes as a huge surprise," William George, a Goldman Sachs board member, said in an interview on CNBC.

With a one sentence decision, the U.S. Supreme Court handed President Obama a victory today.

The court refused to hear a case that sought to block early voting Ohio. The AP reports:

"The court on Tuesday refused a Republican request to get involved in a dispute over early voting in the state on the three days before Election Day.