Mohammad Barkindo, secretary-general of OPEC, is shown during a panel discussion at CERAWeek by IHS Markit at Hilton Americas,1600 Lamar St., on March 7, 2017, in Houston. Barkindo died late Tuesday, a spokesperson for Nigeria's petroleum ministry told The Associated Press on Wednesday, July 6, 2022. (Melissa Phillip/Houston Chronicle via AP, File)
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