President Barack Obama is greeted by Israeli President Shimon Peres, left, and Israeli Prime Minister Benjamin Netanyahu upon his arrival ceremony at Ben Gurion International Airport in Tel Aviv, Israel, on Wednesday. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

With President Clinton presiding, Israeli Prime Minister Yitzhak Rabin (left) and Palestinian leader Yasser Arafat signed an interim peace accord at the White House in 1993. Twenty years later, President Obama is heading to the region with peace efforts in the deep freeze. Ron Edmonds /AP hide caption

itoggle caption Ron Edmonds /AP

Trader Warren Meyers works on the floor of the New York Stock Exchange on Friday. Stocks opened higher after the government reported a burst of hiring last month that sent the unemployment rate to a four-year low. But both the White House and congressional Republicans reacted to the news in less than celebratory fashion. Richard Drew/AP hide caption

itoggle caption Richard Drew/AP

Republican Sens. John McCain of Arizona, Lindsey Graham of South Carolina and Kelly Ayotte of New Hampshire at the Capitol last month. The senators are among a group invited to dine Wednesday with President Obama. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images

Massachusetts Institute of Technology scientist Ernest Moniz is introduced by President Obama as the nominee to run the Energy Department, Monday at the White House. Mandel Ngan/AFP/Getty Images hide caption

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That's a light saber, sir, not a phaser. (President Obama in September 2009, during a White House event promoting Chicago's bid for the 2016 Summer Olympics.) Roger L. Wollenberg /UPI /Landov hide caption

itoggle caption Roger L. Wollenberg /UPI /Landov

President Obama reached out to touch the statue of civil rights icon Rosa Parks during Wednesday's dedication ceremony in the U.S. Capitol. Senate Minority Leader Mitch McConnell, R-Ky., was behind the president. Jason Reed/Reuters /Landov hide caption

itoggle caption Jason Reed/Reuters /Landov