Republican presidential candidate Newt Gingrich has seen a recent bump in the polls. More criticism is sure to come, but Gingrich says he doesn't think attacks from other candidates will be effective. Richard Shiro/AP hide caption

A woman walks up the stairs of Galata Bridge in Istanbul. With the financial crisis in the eurozone, Turks are rethinking their years-long bid to be a part of the European Union. Bulent Kilic/AFP/Getty Images hide caption

This 1964 Andy Warhol lithograph entitled "Liz" is signed by the artist. It reads, "To Elizabeth with much love" in felt-tip pen. Christie's hide caption

Designed in 1958, architect John Lautner's Chemosphere House perches atop a 29-foot concrete pole on a roughly 45 degree slope in California's Hollywood Hills and is accessible via funicular. Sara Sackner/Courtesy of Judith Lautner and the John Lautner Foundation hide caption

Ornaments made to honor loved ones decorate the Gold Star Families Tree. Jim Watson/AFP/Getty Images hide caption

'Cosh And Carry': Smiley's colleague Peter Guilliam (Benedict Cumberbatch, left) runs the MI6 division charged with blackmail, kidnapping and other rough stuff. Focus Features hide caption

Ólöf Arnalds. Courtesy of the artist hide caption