Have you noticed that you can get fresh summer squash in the winter? Asparagus in the fall? Tomatoes year round? Sure, they may not be at their most flavorful, but many of the fruits and vegetables that we used to think of as seasonal delicacies are now available throughout much of the year, thanks to international shipping and modern growing techniques. I'm not saying this is a bad thing, asparagus is one of my passions, but I'm finding I miss the rhythm of seasonal foods. Now, when I find items that are only available in their own time, I embrace them, savor them, remember what it must have been like to be in awe of an orange in the toe of your stocking on Christmas morning. I was reminded of this recently on a trip to Boston's Haymarket, our year-round open air produce and fish market. It's changed dramatically in the 20 years I've been shopping there (and I'm sure you can find essays that extoll it's glorious past and reduced present) but I love it. E...