Smart, good move. Sure did give wingrers alot to hate: La Raza, single mother and the last name Castro? I can hear it now. Video above is Castro announcing it.

San Antonio Mayor Julián Castro will be the first Latino to give a keynote speech at a Democratic National Convention. Castro will speak at the opening night of the 2012 convention on Tuesday, September 4th, in Charlotte, North Carolina.

Castro, who is 37, is the youngest mayor of a Top 50 American city. Castro and his twin brother Joaquín were raised by a single mother, Rosie Castro, a longtime community activist. Julián Castro has been active in the Obama campaign, and was named national co-chairman for the re-election campaign a few months ago.