Republican vice presidential candidate Sarah Palin backstage before the debate at Washington University in St. Louis. (Chip Somodevilla / Getty Images)
Joe Biden makes a point. (David McNew / Getty Images)
On stage in St. Louis. (Ron Edmonds / Associated Press)
The debate as seen from an electronics store in San Mateo, Calif. (Paul Sakuma / Associated Press)
Alaska Lt. Gov. Sean Parnell, front, listens to the televised vice presidential debate with others in Gov. Sarah Palin’s hometown of Wasilla, Alaska. (Al Grillo / Associated Press)
The debate plays at Lucky Strike Lanes in Miami Beach, Fla. (Wilfredo Lee / Associated Press)
Robert Llorens and Zoraida Flores cheer the Los Angeles Dodgers at Barney’s Beanery in Pasadena, as the Dodgers’ playoff game with the Chicago Cubs airs alongside the debate. (Gary Friedman/Los Angeles Times)
A woman watches the vice presidential debate as she folds laundry at Fiesta Wash and Dry in San Francisco. (Justin Sullivan / Getty Images)
A view of the debate from the audience at Washington University in St. Louis. (Paul J. Richards / AFP/Getty Images)
Gov. Sarah Palin, with her daughter Piper, talks with Sen. Joe Biden in person after the vice presidential debate. (Ron Edmonds / Associated Press)
