From NPR News, this is ALL THINGS CONSIDERED. I'm Audie Cornish.
MELISSA BLOCK, HOST:
And I'm Melissa Block.
It's the third day of the teachers' strike in Chicago. For the first time in 25 years, teachers are on the picket line and 350,000 students are out of class. The strike poses a unique challenge for Chicago's Mayor Rahm Emanuel. That's because he's also one of President Obama's top fund-raisers and surrogates.
The U.S. poverty rate last year was unchanged from the year before, according to new figures Wednesday from the Census Bureau. But that still means almost 1 in 6 Americans was poor.
The new data show that 46.2 million people in the U.S. lived below the poverty line — about $23,000 for a family of four. The number of poor was almost exactly the same as it was the year before, but still historically high.
Technicians with the Contra Costa County Mosquito and Vector Control District spray insecticide in Brentwood, Calif., last month. Workers fogged areas of the county that had an increase in the numbers of mosquitoes carrying the West Nile virus.
The numbers for West Nile virus cases continue to rise, up 35 percent in the last week. But the Centers for Disease Control and Prevention is confident the nation has turned the corner on its worst-ever epidemic of West Nile virus disease.
Every election season Republicans and Democrats tried to rally their base and to go after undecided voters. They're increasingly using the Internet in Get Out The Vote efforts.
NPR correspondent Shankar Vedantam, who reports on social science research, joins me now to talk about how Facebook could become a potent weapon in going after the biggest untapped voting bloc in the nation. Shankar, welcome.
SHANKAR VEDANTAM, BYLINE: Hi, Melissa.
BLOCK: Who are these mystery voters, this untapped voting bloc that we mentioned?
A Syrian documentary film producer whose disappearance two weeks ago prompted concerns for his safety and a letter of support from the Toronto International Film Festival is now free, according to reports.