Mark Twain made what I consider one of history's greatest puns when he described the American role in the opium trade as "Taels I win, heads you lose." (A tael

Mark Twain made what I consider one of history's greatest puns when he described the American role in the opium trade as "Taels I win, heads you lose." (A tael was a unit of Chinese silver bullion; heads references the death penalty for drug running, which applied only to Chinese subjects for most of the opium years.)