Weekend Edition Saturday

Pulitzer Prize-winning novelist Jennifer Egan tweeted a science fiction story from the New Yorker fiction Twitter account (@NYerFiction) this week. In the story, Egan takes a character from her novel, A Visit From the Goon Squad, and sets her in a futuristic world in which she is a female spy. Host Scott Simon talks with Egan about the first time The New Yorker has serialized fiction on Twitter.

Early polling can do much to shape political campaigns, but for voters who are just trying to follow the debate, polls and surveys can seem contradictory and confusing. Host Scott Simon talks with Michael Dimock of Pew Research Center and J. Ann Selzer, president of Selzer and Company, about how to make sense of polling this election season.

In Massachusetts, Democratic Senate candidate and Harvard Law Professor Elizabeth Warren continues to be dogged by the question of her American Indian heritage. Friday, in the wake of a report from The Boston Globe, Republican Sen. Scott Brown accused Warren of misleading Harvard about her Native American ethnicity. From member station WBUR in Boston, Fred Thys reports.

If you're one of millions of motorists on the roads this holiday weekend, you may have noticed something unexpected and welcome: Gas prices are falling. Host Scott Simon talks with Daniel Yergin, chairman of HIS Cambridge Energy Research Associates about the trend.

An estimated 125 million people are expected to tune in to Saturday night's final contest in Eurovision 2012. This year's song contest has provoked controversy over its host country, Azerbaijan, whose president is accused of human rights abuses. Vicki Barker has the story.