Even as emergency responders continue to comb through debris a week after a flash flood surged on the Guadalupe River north of San Antonio, Texas, an analysis is beginning on how similar tragedies could be avoided in the future. Experts say solutions exist, but also acknowledge that cost can be an obstacle for rural communities. Local officials say their top task remains recovering the missing. But state leaders say flood preparedness will be a focus of an upcoming special legislative session. What may be emerging: the political will to support reliable warning systems that can reach people who are in harm鈥檚 way.