...The straightforward generosity of the corporate sector has been well reported. [D]onations had exceeded $200 million. Besides cash, companies have handed out free drugs, suspended finance payments on cars and mortgages and helped emergency personnel with equipment. As interesting, though, has been the application of corporate best practices-- from supply-chain management to logistics-- to a natural disaster. The private-sector planning began before Katrina hit. Home Depot's "war room" had transferred high-demand items -- generators, flashlights, batteries and lumber -- to distribution areas surrounding the strike area. Phone companies readied mobile cell towers and sent in generators and fuel. Insurers flew...