As U.S. dependence on Middle East oil eases, its political footprint on the region may follow suit. Middle East,U.S.,Afghanistan,Ahmed Zaki Yamani,Baghdad,Bashar al-Assad,BP,Chicago,China,Citigroup,Geneva,Iran,Iraq,John Kerry,London,oil prices,OPEC,Petroleum,Petroleum politics,Saddam Hussein,Saudi Arabia,Syria,Tehran,United States,Vienna,David A. Andelman