[19-minute BBC Newsnight video report on impacts of the Gulf of Mexico oil disaster, including interviews of people impacted by the spill. Brent Coon, lawyer who is bringing lawsuits against BP over the Gulf spill and who led the successful civil litigation against BP over Texas City refinery explosion in 2005, predicts U.S. Department of Justice investigation will see BP executives end up in jail. Includes comments by BP, U.S. Congressman Bill Cassidy (Louisiana), former BP executive Richard Pike. Currently BBC iPlayer TV programmes are available to play in the UK only]