When I was at South Station in Boston yesterday, a homeless man came up to me on the platform and asked if I had $0.75 so he could buy some water. He claimed that the water in Boston was contaminated and seemed surprised when I said I had no idea what he was talking about. I got myself out of the conversation by saying I didn’t have any change, which was true, and went back inside. Then I hear a cashier in the South Station food court telling a customer about the MWRA water main break…