U.S. Rep. Joaquin Castro, state Rep. James Talarico and former U.S. Rep. Beto O’Rourke are among those who've said they may ...

The third-term Republican, who is challenging U.S. Sen. John Cornyn next year rather than run for reelection, did not give an ...

They include former Bexar County Democratic Party Chair Juan Manuel Medina and former Democratic Texas House candidate ...