By ELLIOT SPAGAT and STEPHEN GROVES Associated Press UVALDE, Texas (AP) — Jacklyn Cazares hadn’t yet reached her 10th birthday, but she was already a tough-minded “firecracker” always looking to help people in need, her father said. Jacklyn and her second cousin, Annabelle Rodriguez, were especially tight with three other classmates at Robb Elementary School. “They are all gone now,” …