Rolling Stone: President Obama in Port Fourchon, Louisiana, May 28, 2010. McNamee/Getty By Tim Dickinson Jun 08, 2010 4:30 PM EDT This article originally appeared in RS 1107 from June 24, 2010. On May 27th, more than a month into the worst environmental disaster in U.S. history, Barack Obama strode to the podium in the East Room of the White House. For weeks, the administration had been insisting that BP alone was to blame for the catastrophic oil spill in the Gulf – and the ongoing …