By JAKE BLEIBERG, JIM VERTUNO and ELLIOT SPAGAT, Associated Press UVALDE, Texas (AP) — It was 11:28 a.m. when the Ford pickup slammed into a ditch behind the low-slung Texas school and the driver jumped out carrying an AR-15-style rifle. Twelve minutes after that, authorities say, 18-year-old Salvador Ramos was in the hallways of Robb Elementary School. Soon he entered a fourth-grade classroom. And