Andy Warhol once said that in the future, everyone will be world-famous for 15 minutes, and it seems the Brussels sprout is experiencing a similar celebrity. You can't pick up a magazine or turn on a cooking show without seeing a recipe for the lowly-regarded-until-recently little gems.As kids, my brother and I never thought of them as food, but more as a punishment. Mom would promise us a week's worth of Brussels sprouts if we did not clean our plates with glee and thanksgiving. It's possible that mothers have been using them for coercion for centuries, as they have been …