<p><span class="firstletter"><span>I</span></span> have heard people say television is a glamorous business. But while I was donning a Tyvek suit, face mask, gloves and waders cinched tight with duct tape -- to be lowered into a big sewer line beneath Detroit&rsquo;s Jefferson Avenue -- I wondered what on earth they were talking about. <a href="http://www.pbs.org/newshour/updates/science/jan-june13/sewer_01-03.html">More</a> (Source: PBS Newshour)</p>
