BankUnited FSB, a Florida-based bank with $12.8 billion in assets and $8.6 billion in deposits, today became the latest bank to fail, thanks to its massive undercapitlization. The Office of Thrift Supervsion closed it, the FDIC was the receiver, and a group of private-equity firms bought its remains. The dour news had no effect on the companies website, which remained a cheerful display of sunny beaches and palm trees. An online poll asked customers, ” Memorial Day is next weekend. What is your favorite way to celebrate? A. Cooking out in the grill B. Going to the beach C. Getting away for the weekend D. Chaining the doors shut and getting a direct flight to Anguilla.” What happens when a bank fails and what do you need to do? 60 Minutes has the answer.