An influential alderman warned Metra’s executive director on Thursday that “people are going to get hurt” if the commuter rail agency fails to bolster minority participation on a $133-million South Side railroad bridge known as the “Englewood Flyover.” Ald. Anthony Beale (9th), chairman of the City Council’s Transportation Committee, did not explain who he believed would “get hurt” or who the perpetrators might be. But, he was clearly referring to civil disobedience or maybe even violence at the construction site. “I’m trying to help you help yourself. When I say that, problems could arise. When you look at a community...