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Those who had some distance would indulge in the growing nationalist cant and calls for blood that would soon triumph over reason and sanity. Nationalism was a disease I knew intimately as a war correspondent. It is anti-thought. It is primarily about self-exaltation. The flip side of nationalism is always racism, the dehumanization of the enemy and all who appear to question the cause. The plague of nationalism began almost immediately. My son, who was 11, asked me what the difference was between cars flying small American flags and cars flying large American flags. “The people with the really big flags are the really big assholes,” I told him.

When I was younger, like many, I dreamed of flying.  In my mind, I would start to run.  As my legs stretched, more ground started passing beneath my leaps until I was running upon nothing at all, just sweeping my legs back and forth, tiptoeing over the treetops at the speed of sound.  In waking life, the sensation is replicated as I turn my bicycle onto Bay Street every day during my morning commute.

I have ridden a bicycle through the streets of Manhattan for three years, commuting from Staten Island to Midtown since 2009 (and previously, from Brooklyn).  I began my two-wheeled ways in Kirksville, a rural community in northeast Missouri, where some back roads were not even gravel but dirt.  It wasn't always necessary to look both ways for traffic; traffic was almost too sparse for precaution.  I found my chipped, rusty yellow Schwinn abandoned in the backyard of a deserted house, overgrown with brush and wildflowers, and pedaled it to class to avoid an astronomically pricey campus parking pass. 

Attention-deficit problems are far from the only reasons to take our lack of quality sleep seriously. Laboratory animals die when they are deprived of delta sleep. Chronic delta sleep deficits in humans are implicated in many diseases, including depression, heart disease, hypertension, obesity, chronic pain, diabetes and cancer, not to mention thousands of fatigue-related car accidents each year. Sleep disorders are so prevalent that every internist, pediatrician and psychiatrist should routinely screen for them. And we need far more research into this issue. Every year billions of dollars are poured into researching cancer, depression and heart disease, but how much money goes into sleep?

But the local food movement now threatens to devolve into another one of those self-indulgent — and self-defeating — do-gooder dogmas. Arbitrary rules, without any real scientific basis, are repeated as gospel by “locavores,” celebrity chefs and mainstream environmental organizations. Words like “sustainability” and “food-miles” are thrown around without any clear understanding of the larger picture of energy and land use.

The statistics brandished by local-food advocates to support such doctrinaire assertions are always selective, usually misleading and often bogus. This is particularly the case with respect to the energy costs of transporting food. One popular and oft-repeated statistic is that it takes 36 (sometimes it’s 97) calories of fossil fuel energy to bring one calorie of iceberg lettuce from California to the East Coast. That’s an apples and oranges (or maybe apples and rocks) comparison to begin with, because you can’t eat petroleum or burn iceberg lettuce.

The real energy hog, it turns out, is not industrial agriculture at all, but you and me. Home preparation and storage account for 32 percent of all energy use in our food system, the largest component by far. A single 10-mile round trip by car to the grocery store or the farmers’ market will easily eat up about 14,000 calories of fossil fuel energy. Just running your refrigerator for a week consumes 9,000 calories of energy. That assumes it’s one of the latest high-efficiency models; otherwise, you can double that figure. Cooking and running dishwashers, freezers and second or third refrigerators (more than 25 percent of American households have more than one) all add major hits. Indeed, households make up for 22 percent of all the energy expenditures in the United States. Agriculture, on the other hand, accounts for just 2 percent of our nation’s energy usage; that energy is mainly devoted to running farm machinery and manufacturing fertilizer. In return for that quite modest energy investment, we have fed hundreds of millions of people, liberated tens of millions from backbreaking manual labor and spared hundreds of millions of acres for nature preserves, forests and parks that otherwise would have come under the plow.