By JIM VERTUNO, Associated Press Witness testimony ended Tuesday in the trial of a former Uvalde, Texas, school police officer accused of failing in his duty to stop a gunman in the critical first minutes of the 2022 Robb Elementary School attack, setting up the case to go to the jury. Defense lawyers for Adrian Gonzales rested their case after calling just two witnesses, including a police tactics expert to bolster their claim that Gonzales did the best he could after driving onto campus amid a chaotic scene. Gonzales has pleaded not guilty to 29 counts of child abandonment or endangerment. He faces up to two years in prison if convicted. Gonzales did not take the stand in his own defense....