Singer-songwriter Sheryl Crow meets Clyde the Sea Lion, the star of SeaWorld San Diego's “Sea Lion Tonite”, at the marine-life park's Sea Lion and Otter Stadium on August 3, 2011 in San Diego, California. Crow and her sons spent the day a SeaWorld meeting, feeding and learning about sea turtles, penguins and sea lions, other park animal ambassadors. Crow was performing in San Diego on her summer concert tour with Kid Rock. (Photo by Mike Aguilera/SeaWorld San Diego via Getty Images)

Two girls are detained outside the Currys electrical store in Brixton on August 8, 2011 in London, England. Widespread rioting and looting took place across many parts of London in the early hours of Monday morning in a reaction to earlier rioting in Tottenham in North London. Major disturbances broke out late on Saturday night in Tottenham and the surrounding area after the killing of Mark Duggan, 29 and a father-of-four, by armed police in an attempted arrest on August 4. (Photo by Dan Kitwood/Getty Images)

The stern of the stranded cargo vessel Rena grounded on the Astrolabe Reef is seen on October 20, 2011 in Tauranga, New Zealand. Salvage crews continue to pump oil off the ship in an effort to remove as much as possible before bad weather predicted for the evening threatens to break the vessel and release more oil into the sea. Over 300 tonnes of oil has leaked from Rena since it hit the reef on October 5. (Photo by New Zealand Defence Force via Getty Images)

First lady Michelle Obama (R), joined by daughters Sasha Obama (C) and Malia Obama, is presented with the official White House Christmas Tree on November 25, 2011 in Washington, DC. The tree, a 19-foot-tall balsam fir, was grown on Schroeder's Forevergreens farm near Neshkoro, Wisconsin. (Photo by Brendan Hoffman/Getty Images)

“The Qassam rocket is a simple steel artillery rocket developed and deployed by the Izz ad-Din al-Qassam Brigades, the military arm of Hamas. Three models have been produced and used between 2001 and 2011”. – Wikipedia

Photo: A rocket, similar to the Al-Qassam rockets used against Israeli is prepared for launch as new members of the Islamic Jihad fighters show their skills as they attend a military show in the former Israeli jewish settlement of Atsmona September 26, 2008 in Rafah, southern of Gaza Strip. (Photo by Abid Katib/Getty Images)

A prototype of a new nano spaceship is displayed during a press conference held by Israel's Space IL organisation on December 8, 2011 in Ehud, Israel. Israeli President Shimon Peres participated in the event unveiling Space IL's latest prototype nano spaceship with the aim of launching a Israeli robotic spacecraft that will land on the moon and raise funds for scientific education in Israel. (Photo by Ilia Yefimovich/Getty Images)

J. Schwartz (C) and Marianne Wittelsberger (2nd R) of Consumer Watchdog dress as members of the “Google Track Team” in a hallway of the Dirksen Senate Office Building prior to a hearing on Google September 21, 2011 on Capitol Hill in Washington, DC. Members of Consumer Watchdog attended the antitrust hearing dressed as the “Google Track Team” in white tracksuits emblazoned with Google's motto, “Don't be evil”, wearing “Wi-Spy” glasses and pretending to track unsuspecting people during the event. (Photo by Alex Wong/Getty Images)

The new Amazon tablet called the Kindle Fire is displayed on September 28, 2011 in New York City. The Fire, which will be priced at $199, is an expanded version of the company's Kindle e-reader that has 8GB of storage and WiFi. The Fire gives users access to streaming video, as well as e-books, apps and music, and has a Web browser. In addition to the Fire, Bezos introduced four new Kindles including a Kindle touch model. (Photo by Spencer Platt/Getty Images)