As the death toll from catastrophic flooding in the Hill Country comes into clearer view, Texas politicians, the Dallas sporting world and celebrities shared their sorrow across social media and appealed to their followers to aid the storm-battered region.

The minds and sympathies of Americans and many around the world are with the people of Texas this weekend. Heavy flooding has led to dozens of casualties as authorities work to assess the extent of the damage. Former Dallas Cowboys quarterback Troy Aikman reacted to the ongoing devastation on ...