San Antonio Mayor Julian Castro, his brother State Representative Joaquin Castro, and U.S. Representative Charlie Gonzalez  rode in the Presidential motorcade from San Antonio International Airport to the convention center. 
Mayor  Castro continued to dispel rumors that if President Obama wins a second term, he'll appoint him to a cabinet seat, and added that the President remains positive about his re-election.
The Mayor said even though he was excited about the President's visit, he thought it was extremely cool to ride in the Presidential limosine.