Vice President Joe Biden ceremonially swears in Thomas Perez as Secretary of Labor

Vice President Joe Biden ceremonially swears in Thomas Perez as Secretary of Labor, at the Department of Labor in Washington, DC, Sep. 4, 2013. Also pictured are (from left) Rafael Perez, Ann Staudenmaier, Amalia Perez, and Susana Perez. (Official White House Photo by David Lienemann)