I remember the last barge because I happened to be there. It was March 22, 2001, and I was embedded with the Department of Sanitation’s film crew, greeting the barge from the rain-soaked deck of what is known to the Sanitation Department navy as a trash skimmer, a little boat that snags flotsam, like a mechanized sea gull. The barge had set off that morning from a transfer station in College Point, Queens, heading south into the East River