“We brought more Euros than we would normally carry,” writes my sister, who lives in Los Angeles and is visiting Greece this week on a long-planned vacation. Since she’s over there, I asked her how bad it is on the ground. There’s food on supermarket shelves. Airplanes and ferry boats run on schedule. Gas stations have fuel to sell. Locals are characteristically laid back, in a Greek sort of way. So where’s the crisis?