<a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Robert+Rubin&family=editorial&specificpeople=209190 ng-click='$event.stopPropagation()'>Robert Rubin</a>, former Secretary of the Treasury, former Goldman Sachs board member and former Director of Citi Group, waits for a luncheon at the US State Department May 19, 2010 in Washington, DC. Secretary of State Hillary Rodham Clinton and Vice President Joseph R. Biden hosted Mexico's President Felipe Calderon and his wife Margarita Zavala for a luncheon before the couple traveled to the White House where they will meet with President Barack Obama and have a state dinner.