Flushed

Hodding Carter writes, "The unsung hero of human history was, of course, the Brain of Drains, the Hub of Tubs, the Power of Showers, the Brewer of Sewers...the humble plumber.... The Irish may have saved civilization, once, but plumbers have done so countless times." When we consider the amenities that really make a difference in our well-being, surely good plumbing must rank near the top. But rarely have we taken the time to appreciate the engineering marvels that bring clean water into our hom