Twitter? Just a Joke; K thx bye." The article also clarifies that BP's Twitter account is bp_america. BP made the request one day after ABC News correspondent Dan Harris interviewed the proprietor. The Guardian reports that since April 20, 2010, 27 new offshore drilling projects have been approved by MMS. All but one project was granted similar exemptions from environmental review as BP. Two were submitted by the UK firm, and made the same claims about oil-rig safety and the implausibility of a spill damaging the environment. According to the Centre for Biological Diversity, even after the catastrophe, the Obama administration did not tighten its oversight of offshore drilling. "This oil spill has had absolutely no effect on MMS behaviour at all," said Kieran Suckling, the director of the centre. "It's still business as usual which means rubber stamping oil drilling permits with no environmental review." June 10 Testimony before the United States Senate Committee on Homeland Security and Governmental Affairs indicates there is a not single command and control hierarchy in the cleanup and frequently BP is still taking the lead. Billy Nungesser, president of Plaquemines Parish, Louisiana, said "I still don't know who's in charge. Is it BP? Is it the Coast Guard? I have spent more time fighting the officials of BP and the Coast Guard than fighting the oil." Time Magazine has an article headlined "The Dirty Dozen: Who to Blame for the Oil Spill" (1. BP former chairman John Browne, current BP president Tony Hayward, 3. MMS official in charge of Gulf drilling Chris Oynes, 4. BP COO Doug Suttles, 5 and 6. Dick Cheney/George W. Bush, 7. The American Driver, 8. Obama, 9. Interior Secretary Ken Salazar, 10. MMS director S. Elizabeth Birnbaum, 11. Transocean CEO Steven Newman, 12. Halliburton executive Tim Probert) Waterworld actor Kevin Costner says BP has issued a letter of intent to buy 32 centrifugal oil-water separators from his company Ocean Therapy Solutions. The largest machine (112 inches high, 2-1/2 tons and cleans a day of oily water). Senate Democrats send a letter to Hayward asking that a $20 billion escrow account be set up to deal with the spill. Nearly 200 lawsuits have been brought against BP. June 11–15 June 11 Flow Rate Technical Group says the leak could be of oil a day. Woods Hole Oceanographic Institution estimates it is . The University of Texas at Austin estimate