Former Vice President Dick Cheney, along with his wife and grandchildren, look on after Cheney's bust was unveiled at the U.S. Capitol on Thursday. Keith Lane/Getty Images hide caption

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Dick Cheney's Bust Unveiled At The Capitol, As He's Lightly Roasted
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Vice President Joe Biden announces he will not seek the 2016 Democratic presidential nomination during an appearance in the White House Rose Garden with President Obama and Dr. Jill Biden. Carlos Barria/Reuters/Landov hide caption

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Vice President Biden talks to a woman in biker gear, who's sitting on a chair in front of him at a diner in Ohio in September 2012. She's not sitting on his lap, but it sure looks like it. Carolyn Kaster/AP hide caption

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Vice President Joe Biden is still contemplating getting into the presidential race, but he's getting a nudge with an ad from a group supporting him. Bernat Armangue/AP hide caption

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Nobody really knows whether Vice President Biden will run, but there's a debate in Democratic circles about whether he can afford to wait. Chip Somodevilla/Getty Images hide caption

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If Biden Wants To Run For President, His Narrow Window Is Closing
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