TEHRAN - Iran would welcome a proposal by U.S. presidential candidate Senator John Kerry (news - web sites)'s running mate for a "great bargain" to solve the dispute over Tehran's nuclear program, a senior Iranian official said on Saturday. Vice presidential candidate Senator John Edwards (news - web sites) has said that Kerry, a Democrat, would be willing to supply Iran with nuclear fuel for power generation if Tehran abandons its own fuel-making capability - if Iran did not accept this offer, it would confirm Iran wanted to make an atom bomb. Iran earlier rejected the proposal, saying it would...