Before Kimberly Guilfoyle even lands in Athens, it appears her influence in Washington is already working in Greece's favor. When Finance Minister Kyriakos Pierrakakis met U.S. Treasury Secretary Scott Bessant on the sidelines of the IMF meetings, the encounter quickly turned into a reminder of how small and intertwined the Greek American world can be. While Pierrakakis waited in the conference room, one of the Treasury staffers mentioned a mutual friend: Greek American businessman Christos Marafatsos, a well-known figure in Washington circles and a trusted associate of Guilfoyle. As it happens, Marafatsos and the minister come from the same village. When Bessant joined the meeting, he quickly picked up on the good mood in the room. "You can't say no to the ambassador," he joked to Pierrakis, implying that Guilfoyle, a longtime member of Trump's inner circle and the incoming U.S. ambassador to Greece, may have helped open that...