Who knew a “peace park” could be so contentious? The Pacifist Memorial in the Boston suburb of Sherborn has been forced to take down a United Nations flag after residents objected. Memorial founder Lewis Randa removed the flag and its flagpole last week because residents of the luxury townhome development where it’s now located say the items violated their property agreement. But Randa says he and others were simply restoring a flag, which he concedes was not part of the original memorial but had flown for decades on the grounds. He said it’s “inexcusable” that the UN flag isn’t allowed...