Key TakeawaysConocoPhillips and Marathon Oil received a second request for information from the Federal Trade Commission on Thursday.In May, ConocoPhillips announced a proposed $22.5 billion deal to acquire Marathon Oil.The companies say they still expect the deal to close in the fourth quarter. ConocoPhillips’ (COP) planned$22.5 billion acquisition of Marathon Oil (MRO) has again drawn questions from the Federal Trade Commission (FTC). The oil producer said Friday in a regulatory filing that both compani ...