Oil falls more than 3 percent on doubts over OPEC cut

By Christopher Johnson LONDON (Reuters) - Oil prices fell more than 3 percent on Tuesday on signs leading oil exporters were struggling to agree a deal to cut production to reduce global oversupply. Indonesian Energy Minister Ignasius Jonan said he was not sure OPEC would clinch a deal to limit oil output when it met. Non-OPEC producer Russia confirmed on Tuesday it would not attend the OPEC gathering, but added that a meeting between the group and non-affiliated producers at a later stage was p