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

itoggle caption Chip Somodevilla/Getty Images