OPEC and allies prepare to deepen oil output cuts

VIENNA (Reuters) - OPEC and its allies led by Russia were moving closer on Thursday to agreeing to deeper oil supply cuts next year to support crude prices and prevent a glut, sources from OPEC and its allied producers said.The Organization of the Petroleum Exporting Countries (OPEC) meets on Thursday in Vienna followed by a meeting with Russia and others, a grouping known as OPEC+, on Friday.OPEC+ has curbed supply since 2017 to counter booming output from the United States, which has become..