The number of people reported missing in the wake of historic July 4 flooding in Kerr County, Texas, has dropped from a peak of more than 160 to three, with many now verified as being safe, officials said Saturday.”Extensive follow-up work” and “extraordinary efforts” were credited with the reduction after 173 people statewide were reported missing amid floodwaters two stories deep, officials said in nearly identical statements from Kerr County and the city of Kerrville.”This remarkable progress