When tragedies are in the news — natural disasters, plane crashes, fires — parents naturally and unavoidably react by thinking about what might happen to their own children. And children worry in turn about what might happen to them.

Key questions remain unanswered about the actions Texas officials took both before and during the catastrophic July Fourth holiday floods as a painstaking search for victims continues along the Guadal...

By the time I watched the video, I’d seen the images of upturned bunk beds, muddied stuffed animals, tiny T-shirts snagged on branches.