Friday File: More GOP Iran Tough Talk
Friday, December 16, 2011
Republican presidential candidates participate in a Republican presidential debate in Sioux City, Iowa, on December 15, 2011.(Pool/courtesy Reuters)

Republican presidential candidates participate in a Republican presidential debate in Sioux City, Iowa, on December 15, 2011.(Pool/courtesy Reuters)

An Iranian Shahab 3 missile is displayed during a military parade in Tehran. (Morteza Nikoubazl/courtesy Reuters)

Anti-government protesters in Cairo's Tahrir Square wave shoes in dismay as President Hosni Mubarak speaks to the nation on February 10, 2011. (Dylan Martine/courtesy Reuters)

Members of the U.S. Air Force board a plane at al-Asad air base in Iraq before flying to the United States. (Mohammed Ameen/courtesy Reuters)

Newt Gingrich speaking at a forum for the GOP candidates in December. (Jonathan Ernst/courtesy Reuters)

Republican presidential candidates Jon Huntsman and Newt Gingrich hold up sweatshirts they received after their Lincoln-Douglas-style debate at St. Anselm College in Manchester, New Hampshire on December 12, 2011. (Brian Snyder/courtesy Reuters)

Jon Huntsman waits to speak at the Republican Jewish Coalition's Republican Presidential Candidates Forum on December 7, 2011. (Molly Riley/courtesy Reuters)

Republican presidential candidates pose before the Republican presidential candidates debate at Drake University in Des Moines, Iowa on December 10, 2011. (Jeff Haynes/courtesy Reuters)

An Iranian military base is seen near the town of Bid Kaneh in this satellite image taken on September 9, 2011. (GeoEye via Google Earth/ISIS/courtesy Reuters)
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