As a proud member of the Ploughshare Farms CSA, I've gotten the hang of eating seasonally to some degree -- beet time still feels like a challenge, for example, and I always run out of preserved summer vegetables long before the last snow shoveling round. But lately, as I've been boosting the number of backyard barbecues, I've been wondering about a different type of seasonal eating. I began wondering: does meat have a season, too? Here's what I discovered in talking to farmers and a co-op manager: the answer is yes, but also no.