SAN ANTONIO — The courtroom was silent and thick with anxiety Thursday morning as the judge’s deputy read the verdicts: “Guilty,” “guilty,” “guilty” — 11 times over, and on all felony counts. State Sen. Carlos Uresti sat stone-faced, his gaze directed at the deputy, as he heard the ruling that throws into question his two-decade career in the Texas Legislature and opens up the possibility of years in federal prison and millions in fines.