People coming together is silver lining to Hurricane Harvey

All of the things that went wrong in New Orleans with Hurricane Katrina in 2005 appear to have been corrected with Houston’s recent Hurricane Harvey. Chalk it up to a series of important lessons learned.

By now everyone knows that Harvey came ashore from the Gulf of Mexico, dumped a record 51 inches of rain on 22 million people from Corpus Christi to Port Arthur, Texas, and sent thousands to shelters.

The hurricane hit Houston, America’s fourth largest city and an urban area, which accounts for 3 percent of our nation’s GDP. It had the makings of a mammoth disaster, but despite the enormous da...