AUSTIN — Hispanic candidates ran strongly in many Republican primary races across Texas this week, but two candidates are blaming their losses to Anglos on racially polarized voting. Election returns and political consultants, however, say the losses of Railroad Commissioner Victor Carrillo and Harris County Tax Assessor-Collector Leo Vasquez probably had more to do with personal issues and poorly run campaigns than ethnicity. Carrillo's father and half brother died last year, and Carrillo underwent surgery for a benign brain tumor, all cutting into the time Carrillo spent campaigning for re-election. Vasquez lost social conservative support, Harris County Republicans said, because...