Asparagus is wonderful for you. Depending on how it’s prepared, asparagus provides -- at a minimum -- iron, vitamins C and B-6, potassium, fiber, and a trace of magnesium and calcium as well. But asparagus can be tricky to prepare, and it can be expensive. So, what is a health-conscious family to do? Well, let’s say the government decided to step in. A president might say, on some random Monday, “I hereby declare that, effective this coming Saturday, every American person -- male, female, and gender-bewildered -- is entitled to eight free servings of asparagus every month.” But… how to...