Mayor Julian Castro, center, stands with his wife, Erica Castro, their daughter, Carina, 3, and his brother, Joaquin Castro, right, on stage during the send-off party for their trip to the Democratic National Convention at the St. Paul Community Center in San Antonio on Sept. 1, 2012. Castro delivers the convention's keynote address Tuesday, a nod to the importance of Hispanic voters in the race. (AP Photo/San Antonio Express-News, Lisa Krantz)
{}