House Speaker John Boehner House Majority Leader Eric Cantor answer questions during a press conference on a balanced budget amendment at the U.S. Capitol July 14, 2011. Economists say many conservatives believe the answer to the economy's woes is a dramatic reduction in spending, but that could be risky. Win McNamee/Getty Images hide caption

Afghan National Army soldier Mohammed Shadwar gets a bird's-eye view from the rooftop of a mud-walled compound during a joint clearing operation in Helmand province, Afghanistan. As the top U.S. commander in Afghanistan changes, there's a question of whether U.S. policy will shift from one that supports building up Afghan national security forces to one focused on targeting insurgents. David Gilkey/NPR hide caption

A rendering of a 36-week fetus in the womb. Photo Researchers hide caption

Pedestrians stop to view the National Debt Clock in New York this April. The debt ceiling is becoming an election issue, as groups on both sides spend millions on TV ads. Andrew Harrer/Bloomberg via Getty Images hide caption

Jaycee Dugard talks to ABC's Diane Sawyer. Jill Belsley/ABC News hide caption

The International Space Station as seen from the space shuttle Atlantis after it undocked from the outpost in November 2009. Despite an end to the space shuttle program, NASA says scientific work is just getting into full gear on the space station. NASA hide caption

Back together. The female, left, taught her mate how to get up to the perch. Wendi Pencille/Bless the Beasts Foundation hide caption