03/30/2013 12:00:00 AMSan Antonio Mayor Julián Castro and Luís Ricardo Fraga led a public forum on campus in February, A Conversation on Political Leadership in the Future of American Politics. story San Antonio Mayor Julián Castro and Luís Ricardo Fraga led a public forum on campus in February, A Conversation on Political Leadership in the Future of American Politics. Castro, who last year became the first Hispanic to deliver a keynote address at a Democratic National Convention, provided his views on the changing demographics of American voters and the challenges and opportunities the changes present for local, Texas and national politics. Fraga, a professor of political science and associate vice provost for faculty advancement and the director of the Diversity Research Institute at the University of Washington, offered the view of a scholar on the politics of race and ethnicity.