Drought has Mississippi River barge traffic all choked up

Drought has reduced the Mississippi to a relative trickle, and even the dozens of inches of rainfall from Hurricane Isaac will change little on the river. The best crops of corn and soybeans in a generation are awaiting shipment by Mississippi barges — and won't wait forever before spoiling. The window is about 10 days, and once it closes, consumers across the country will feel the bite of higher prices. http://www.latimes.com/news/nationworld/nation/la-na-mississippi-river-20120902,0,6051251.story  Article courtesy of The Los Angeles Times by Julie Cart