For the first time in history, an Arab woman has been awarded the Nobel Peace Prize. At a ceremony in Oslo, Norway today, Tawakkul Karman, known as the mother of Yemen's democratic revolution, shared the 2011 prize with two Liberian women: President Ellen Johnson Sirleaf and Leymah Gbowee, who helped lead the protests that ousted former Liberian President Charles Taylor.
A new study shows that it is more difficult to "move up" in America than other developed countries. In America, kids are more likely to stay at the bottom of the economic ladder if their parents had low socio- economic status. Weekends on All Things Considered host Guy Raz talks with Erin Currier, manager of the Economic Mobility Project of the Pew Charitable Trusts, about why the U.S. ranked worst for economic mobility among the countries in the study.
Turning now to domestic politics. The Iowa caucuses are just about three weeks away now. Herman Cain is gone. Newt Gingrich is the new front-runner. And Mitt Romney is slipping somewhat in the polls. Meanwhile, the attacks among the GOP contenders are getting sharper. And against that backdrop, there's another debate tonight. This one at Drake University in Des Moines.