...The candid footage has come to light because Chevron’s lawyers persuaded a federal judge in New York to force a filmmaker who chronicled the legal fight, Joe Berlinger, to turn over more than 500 hours of outtakes from his film, “Crude.” The ruling has drawn wide attention because Mr. Berlinger and lawyers for the plaintiffs had argued that the outtakes were protected, in much the same way that journalists are generally not required to turn over their notebooks if they are subpoenaed in a lawsuit between other parties. The ruling, which came last May and was largely upheld by a...