Gulf oil spill one year later: ?More questions than answers? (The Newsroom)

The Newsroom - When an oil rig exploded in the Gulf of Mexico on April 20, 2010, killing 11 workers, it wasn't clear at first that it would spark the worst offshore oil spill in American history. Some of the images produced show how the oil spewing from the bottom of the sea immediately affected a region still fragile after Hurricane Katrina. But a year and 206 million gallons of spilled oil later, scientists say we're still in the dark about exactly how much damage was caused. http://us.rd.yahoo.com/dailynews/rss/yahoonewsroom/*http://news.yahoo.com/s/yblog_newsroom/20110420/us_yblog_newsroom/gulf-oil-spill-one-year-later-more-questions-than-answers

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