Dorchester, MA - 9/19/2013 - Boston mayoral candidates prepared to step onto the stage for the forum. Boston mayoral candidates came to a forum at UMass Boston in Dorchester, MA on Thursday, September 19, 2013. For a story about a day in the life of Boston mayoral candidates. (Yoon S. Byun/Globe Staff) Slug: 22mayorday Reporter: n/a LOID: 6.2.1241695048