Texas parents frantically posted photos of their young daughters on social media with pleas for information as at least 23 campers from an all-girls summer camp were unaccounted for Friday after floods tore through the state’s south-central region overnight. At least 24 people were dead and many missing after a storm unleashed nearly a foot of rain just before dawn Friday and sent floodwaters gushing out of the Guadalupe River, Kerr County Sheriff Larry Leitha told reporters Friday evening. The flood-prone region known as Hill Country is dotted with century-old summer camps that draw thousands of kids annually from across the Lone...