President Obama and first lady Michelle Obama attend a memorial service at Baylor University in Waco, Texas, on Thursday, for those killed in the April 17 explosion of a fertilizer plant. Jewel Samad/AFP/Getty Images hide caption
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President Obama's speech in Las Vegas on Tuesday on the country's immigration system was as notable for what was said as for what wasn't. Isaac Brekken/AP hide caption
An undated screen image of footage shot by Al-Kataib Media, showing Denis Allex, a French hostage allegedly held by Somali militants, who was reportedly killed during the failed rescue mission. MAXPPP/EPA /LANDOV hide caption
President Obama and House Speaker John Boehner at the White House on Nov. 16. Administration officials say the two men met Sunday to discuss the "fiscal cliff." Carolyn Kaster/AP hide caption
President Obama shakes hands with with Afghan President Hamid Karzai during their meeting at the NATO Summit in Chicago on Sunday. The summit, which continues Monday, is focusing heavily on Afghanistan's future. Pablo Martinez Monsivais/AP hide caption
President Barack Obama talks about extending payroll tax cuts on Monday in the White House briefing room. Carolyn Kaster/AP hide caption
Since the ban on U.S. slaughterhouses in 2006, tens of thousands of unwanted or aging horses were exported to Canada and Mexico for slaughter. Nate Jenkins/AP hide caption
The Irish Examiner's front page, Nov. 19, 2010. Newseum hide caption
A U.S. Navy helicopter delivers pallets of supplies to the Carnival cruise ship Splendor off the coast of California. U.S. Navy/Getty hide caption