I WAS transported recently to a place that is as enchanting to me as any winter wonderland: my local post office. In line, I thought fondly of the year I came to this country from Turkey as an adult and discovered the magic of reliable mail service. Dependable infrastructure is magical not simply because it works, but also because it allows innovation to thrive, including much of the Internet-based economy that has grown in the past decade. You can’t have Amazon or eBay without a reliable way to get things to people’s homes. Read more.