Thomas "Tom" Perez, assistant attorney general at the U.S. Department of Justice and nominee to become U.S. secretary of labor, speaks after U.S. President Barack Obama, not pictured, makes the nomination announcement in the East Room of the White House in Washington, D.C., U.S., on Monday, March 18, 2013. Perez would replace Hilda Solis, ensuring that the Labor Department is led again by a Hispanic, helping the president maintaining diversity in his second term cabinet. Solis resigned in January. Photographer: Andrew Harrer/Bloomberg via Getty Images