An Israeli missile is launched from the Iron Dome defense system, designed to intercept incoming rockets. This missile was fired from the southern Israeli city of Ashdod in response to a rocket launched from the nearby Palestinian Gaza Strip on Nov. 18. Jack Guez/AFP/Getty Images hide caption

itoggle caption Jack Guez/AFP/Getty Images

After the House Intelligence Committee hearing on Benghazi Friday, Rep. Peter King said he felt U.N. Ambassador Susan Rice's comments after the attack may have been sanitized. Mladen Antonov/AFP/Getty Images hide caption

itoggle caption Mladen Antonov/AFP/Getty Images

A U.S. Marine patrol walks across the charred oil landscape near a burning well near Kuwait City in March 1991. Concerns about oil supply were at play when the U.S. and its allies intervened during the Iraqi invasion of Kuwait in 1990. But American policy is changing now that Mideast oil imports to the U.S. are declining. John Gaps III/AP hide caption

itoggle caption John Gaps III/AP

A drilling rig near Kennedy, Texas, on May 9. U.S. oil output is surging so fast that the United States could soon overtake Saudi Arabia as the world's biggest producer. Eric Gay/AP hide caption

itoggle caption Eric Gay/AP

President Obama and Mitt Romney are both calling on the U.S. to become less dependent on foreign oil, though their plans differ. Here, workers with Bramwell Petroleum set up a derrick for a new oil well near Spivey, Kan., in March. Mike Hutmacher/MCT/Landov hide caption

itoggle caption Mike Hutmacher/MCT/Landov

Soldiers use DCGS-A software at Aberdeen Proving Ground in Maryland. U.S. Army hide caption

itoggle caption U.S. Army

Iranian President Mahmoud Ahmadinejad (center) visits the Natanz Uranium Enrichment Facility in April 2008. Israel and the U.S. targeted the facility in 2009 with the Stuxnet cyberattack. AP hide caption

itoggle caption AP

Republican presidential candidate Mitt Romney meets with members of the Veterans of Foreign Wars after his speech at the VFW National Convention in Reno, Nev., on July 24. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

Iranian workers make repairs to a unit at Tehran's oil refinery in November 2007. It's estimated that a Western oil embargo is costing Iran about $4.5 billion each month in lost revenue. Vahid Salemi/AP hide caption

itoggle caption Vahid Salemi/AP

German Chancellor Angela Merkel talks with European Central Bank President Mario Draghi (left) and Italian Prime Minister Mario Monti (right) during a summit of European leaders in Brussels. They reached an agreement on a growth plan for the continent, and world markets surged. Bertrand Langlois /AFP/Getty Images hide caption

itoggle caption Bertrand Langlois /AFP/Getty Images