Country music singer Brad Paisley performs during a troop rally with President Obama during an unannounced visit at Bagram Air Field on Sunday. Evan Vucci/AP hide caption

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Reporter Harry McAlpin leaves the White House in 1944. McAlpin was the first black reporter to cover a presidential press conference. He'll be honored Saturday at the Correspondents' Dinner. George Skadding/Time & Life Pictures/Getty Image hide caption

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President Obama was at Fort Bonifacio in Taguig, Philippines, on Tuesday, during the last leg of his four-nation tour through the Asia-Pacific region. Carolyn Kaster/AP hide caption

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Until 1944, presidential press conferences were exclusively attended by white reporters. That same year, Roosevelt became the first president to invite a black journalist — Harry McAlpin — to one. Getty Images hide caption

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Lilly Ledbetter speaks at the White House on Tuesday, during an event marking Equal Pay Day. President Obama announced new executive actions to strengthen enforcement of equal pay laws for women. Susan Walsh/AP hide caption

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President Obama arrives in the Rose Garden on Tuesday to trumpet 7.1 million signups under the Affordable Care Act. Carolyn Kaster/AP hide caption

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Arkansas Sen. Mark Pryor speaks to reporters at his Little Rock campaign headquarters on Feb. 28. A minimum wage increase on the ballot alongside Pryor could give Democrats more of a reason to show up on Election Day. Danny Johnston/AP hide caption

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Co-Founder, Chairman and CEO of Facebook Mark Zuckerberg speaks during his Feb. 24 keynote address at the Mobile World Congress 2014 in Barcelona, Spain. David Ramos/Getty Images hide caption

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Among Bill Yosses' many confectionary creations for the first family: this nearly 300-pound gingerbread model of the White House, on display in the State Dining Room in November 2012. The house featured not just Bo, the family dog, but also a vegetable garden. Susan Walsh/AP hide caption

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Presidents have been submitting budgets since the 1920s, but now that lawmakers have the Congressional Budget Office, is the exercise worth it? Chip Somodevilla/Getty Images hide caption

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