BP executive testifies at Gulf oil spill trial - Article Photos 1/3

Lamar McKay, former president of BP America and current chief executive of BP's Upstream unit, left, leaves Federal Court after testifying in New Orleans, Tuesday, Feb. 26, 2013. McKay, who was president of BP America at the time of the Deepwater Horizon disaster, became the first BP executive to testify at the federal trial intended to identify the causes of BP's Macondo well blowout and assign percentages of blame to the companies involved. (AP Photo/Gerald Herbert)