Scroll through the coverage of the historic 1965 Selma to Montgomery civil rightsmarch and you'll find plenty of close, urgent pictures. Clenched jaws. Raised placards. Martin Luther King mid-stride at the front of the crowd. James Karales' contribution to that archive, now touring as part of Presence: The Photography Collection of Judy Glickman Lauder, does something dramatically different. Rather than focus on faces, Karales stepped back, drop…