Article Photos: 1st witness testifies in Gulf oil spill trial 8/8

FILE - BP PLC Chief Executive Officer Tony Hayward asks members of the media to step back as he walks along Fourchon Beach in Port Fourchon, La., in this file photo taken May 24, 2010, about a month after the Deepwater Horizon oil rig explosion in the Gulf of Mexico. Hayward visited the beach to observe efforts to clean oil that washed ashore from the spill. A high-stakes trial to assign blame and help figure out exactly how much more BP and other companies should pay for the spill began Monday, Feb. 25, 2013. (AP Photo/Patrick Semansky, File)